Home / 92,911,127.76-128,220,649.11-51,098,425.76

Finding the Fourth Proportional to 92,911,127.76, 128,220,649.11 and 51,098,425.76

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Solution

The fourth proportional to 92,911,127.76, 128,220,649.11 and 51,098,425.76 is: 70,517,638.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,911,127.76 : 128,220,649.11 = 51,098,425.76 : x
  2. Step 2: Convert to fraction form
    92,911,127.76/128,220,649.11 = 51,098,425.76/x
  3. Step 3: Cross multiply
    92,911,127.76x = 128,220,649.11 × 51,098,425.76
  4. Step 4: Simplify right side
    92,911,127.76x = 6,551,873,319,766,897
  5. Step 5: Solve for x
    x = 6,551,873,319,766,897/92,911,127.76
  6. Step 6: Final answer
    x = 70,517,638.50

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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.