Home / 71,369,254.95-98,494,445.15-40,429,678.47

Finding the Fourth Proportional to 71,369,254.95, 98,494,445.15 and 40,429,678.47

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Solution

The fourth proportional to 71,369,254.95, 98,494,445.15 and 40,429,678.47 is: 55,795,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,369,254.95 : 98,494,445.15 = 40,429,678.47 : x
  2. Step 2: Convert to fraction form
    71,369,254.95/98,494,445.15 = 40,429,678.47/x
  3. Step 3: Cross multiply
    71,369,254.95x = 98,494,445.15 × 40,429,678.47
  4. Step 4: Simplify right side
    71,369,254.95x = 3,982,098,748,293,402
  5. Step 5: Solve for x
    x = 3,982,098,748,293,402/71,369,254.95
  6. Step 6: Final answer
    x = 55,795,716.95

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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.