Home / 102,895,309.95-141,995,664.02-55,852,352.88

Finding the Fourth Proportional to 102,895,309.95, 141,995,664.02 and 55,852,352.88

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Solution

The fourth proportional to 102,895,309.95, 141,995,664.02 and 55,852,352.88 is: 77,076,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,895,309.95 : 141,995,664.02 = 55,852,352.88 : x
  2. Step 2: Convert to fraction form
    102,895,309.95/141,995,664.02 = 55,852,352.88/x
  3. Step 3: Cross multiply
    102,895,309.95x = 141,995,664.02 × 55,852,352.88
  4. Step 4: Simplify right side
    102,895,309.95x = 7,930,791,933,564,982
  5. Step 5: Solve for x
    x = 7,930,791,933,564,982/102,895,309.95
  6. Step 6: Final answer
    x = 77,076,320.95

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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.