Home / 102,730,439.61-141,767,972.46-56,319,697.08

Finding the Fourth Proportional to 102,730,439.61, 141,767,972.46 and 56,319,697.08

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Solution

The fourth proportional to 102,730,439.61, 141,767,972.46 and 56,319,697.08 is: 77,721,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,730,439.61 : 141,767,972.46 = 56,319,697.08 : x
  2. Step 2: Convert to fraction form
    102,730,439.61/141,767,972.46 = 56,319,697.08/x
  3. Step 3: Cross multiply
    102,730,439.61x = 141,767,972.46 × 56,319,697.08
  4. Step 4: Simplify right side
    102,730,439.61x = 7,984,329,264,592,983
  5. Step 5: Solve for x
    x = 7,984,329,264,592,983/102,730,439.61
  6. Step 6: Final answer
    x = 77,721,163.22

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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.