Home / 104,976,008.10-157,464,012.15-78,102,152.10

Finding the Fourth Proportional to 104,976,008.10, 157,464,012.15 and 78,102,152.10

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Solution

The fourth proportional to 104,976,008.10, 157,464,012.15 and 78,102,152.10 is: 117,153,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,008.10 : 157,464,012.15 = 78,102,152.10 : x
  2. Step 2: Convert to fraction form
    104,976,008.10/157,464,012.15 = 78,102,152.10/x
  3. Step 3: Cross multiply
    104,976,008.10x = 157,464,012.15 × 78,102,152.10
  4. Step 4: Simplify right side
    104,976,008.10x = 12,298,278,227,215,548
  5. Step 5: Solve for x
    x = 12,298,278,227,215,548/104,976,008.10
  6. Step 6: Final answer
    x = 117,153,228.15

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Double scale
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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.