Home / 78,820,672.10-118,231,008.15-78,820,672.10

Finding the Fourth Proportional to 78,820,672.10, 118,231,008.15 and 78,820,672.10

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Solution

The fourth proportional to 78,820,672.10, 118,231,008.15 and 78,820,672.10 is: 118,231,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,820,672.10 : 118,231,008.15 = 78,820,672.10 : x
  2. Step 2: Convert to fraction form
    78,820,672.10/118,231,008.15 = 78,820,672.10/x
  3. Step 3: Cross multiply
    78,820,672.10x = 118,231,008.15 × 78,820,672.10
  4. Step 4: Simplify right side
    78,820,672.10x = 9,319,047,525,443,578
  5. Step 5: Solve for x
    x = 9,319,047,525,443,578/78,820,672.10
  6. Step 6: Final answer
    x = 118,231,008.15

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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.