Home / 102,730,440.11-141,767,973.15-56,319,697.58

Finding the Fourth Proportional to 102,730,440.11, 141,767,973.15 and 56,319,697.58

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Solution

The fourth proportional to 102,730,440.11, 141,767,973.15 and 56,319,697.58 is: 77,721,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,730,440.11 : 141,767,973.15 = 56,319,697.58 : x
  2. Step 2: Convert to fraction form
    102,730,440.11/141,767,973.15 = 56,319,697.58/x
  3. Step 3: Cross multiply
    102,730,440.11x = 141,767,973.15 × 56,319,697.58
  4. Step 4: Simplify right side
    102,730,440.11x = 7,984,329,374,337,560
  5. Step 5: Solve for x
    x = 7,984,329,374,337,560/102,730,440.11
  6. Step 6: Final answer
    x = 77,721,163.91

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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.