Home / 80,838,045.90-121,257,068.85-29,713,421.70

Finding the Fourth Proportional to 80,838,045.90, 121,257,068.85 and 29,713,421.70

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Solution

The fourth proportional to 80,838,045.90, 121,257,068.85 and 29,713,421.70 is: 44,570,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,838,045.90 : 121,257,068.85 = 29,713,421.70 : x
  2. Step 2: Convert to fraction form
    80,838,045.90/121,257,068.85 = 29,713,421.70/x
  3. Step 3: Cross multiply
    80,838,045.90x = 121,257,068.85 × 29,713,421.70
  4. Step 4: Simplify right side
    80,838,045.90x = 3,602,962,420,845,984
  5. Step 5: Solve for x
    x = 3,602,962,420,845,984/80,838,045.90
  6. Step 6: Final answer
    x = 44,570,132.55

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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.