Home / 74,767,551.60-112,166,490.60-42,434,943.60

Finding the Fourth Proportional to 74,767,551.60, 112,166,490.60 and 42,434,943.60

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Solution

The fourth proportional to 74,767,551.60, 112,166,490.60 and 42,434,943.60 is: 63,661,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,767,551.60 : 112,166,490.60 = 42,434,943.60 : x
  2. Step 2: Convert to fraction form
    74,767,551.60/112,166,490.60 = 42,434,943.60/x
  3. Step 3: Cross multiply
    74,767,551.60x = 112,166,490.60 × 42,434,943.60
  4. Step 4: Simplify right side
    74,767,551.60x = 4,759,778,702,420,930
  5. Step 5: Solve for x
    x = 4,759,778,702,420,930/74,767,551.60
  6. Step 6: Final answer
    x = 63,661,021.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.