Home / 82,046,159.72-113,258,562.96-51,121,607.92

Finding the Fourth Proportional to 82,046,159.72, 113,258,562.96 and 51,121,607.92

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Solution

The fourth proportional to 82,046,159.72, 113,258,562.96 and 51,121,607.92 is: 70,569,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,046,159.72 : 113,258,562.96 = 51,121,607.92 : x
  2. Step 2: Convert to fraction form
    82,046,159.72/113,258,562.96 = 51,121,607.92/x
  3. Step 3: Cross multiply
    82,046,159.72x = 113,258,562.96 × 51,121,607.92
  4. Step 4: Simplify right side
    82,046,159.72x = 5,789,959,849,223,755
  5. Step 5: Solve for x
    x = 5,789,959,849,223,755/82,046,159.72
  6. Step 6: Final answer
    x = 70,569,541.21

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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.