Home / 83,866,353.17-115,734,185.51-49,064,939.28

Finding the Fourth Proportional to 83,866,353.17, 115,734,185.51 and 49,064,939.28

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Solution

The fourth proportional to 83,866,353.17, 115,734,185.51 and 49,064,939.28 is: 67,708,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,866,353.17 : 115,734,185.51 = 49,064,939.28 : x
  2. Step 2: Convert to fraction form
    83,866,353.17/115,734,185.51 = 49,064,939.28/x
  3. Step 3: Cross multiply
    83,866,353.17x = 115,734,185.51 × 49,064,939.28
  4. Step 4: Simplify right side
    83,866,353.17x = 5,678,490,784,423,081
  5. Step 5: Solve for x
    x = 5,678,490,784,423,081/83,866,353.17
  6. Step 6: Final answer
    x = 67,708,807.77

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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.