Home / 74,027,960,012.39-102,158,584,817.10-42,345,573,356.39

Finding the Fourth Proportional to 74,027,960,012.39, 102,158,584,817.10 and 42,345,573,356.39

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Solution

The fourth proportional to 74,027,960,012.39, 102,158,584,817.10 and 42,345,573,356.39 is: 58,436,891,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,027,960,012.39 : 102,158,584,817.10 = 42,345,573,356.39 : x
  2. Step 2: Convert to fraction form
    74,027,960,012.39/102,158,584,817.10 = 42,345,573,356.39/x
  3. Step 3: Cross multiply
    74,027,960,012.39x = 102,158,584,817.10 × 42,345,573,356.39
  4. Step 4: Simplify right side
    74,027,960,012.39x = 4,325,963,847,357,906,288,640
  5. Step 5: Solve for x
    x = 4,325,963,847,357,906,288,640/74,027,960,012.39
  6. Step 6: Final answer
    x = 58,436,891,231.82

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.