Home / 82,349,688.96-123,605,364.96-68,789,939.04

Finding the Fourth Proportional to 82,349,688.96, 123,605,364.96 and 68,789,939.04

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Solution

The fourth proportional to 82,349,688.96, 123,605,364.96 and 68,789,939.04 is: 103,252,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,349,688.96 : 123,605,364.96 = 68,789,939.04 : x
  2. Step 2: Convert to fraction form
    82,349,688.96/123,605,364.96 = 68,789,939.04/x
  3. Step 3: Cross multiply
    82,349,688.96x = 123,605,364.96 × 68,789,939.04
  4. Step 4: Simplify right side
    82,349,688.96x = 8,502,805,520,615,352
  5. Step 5: Solve for x
    x = 8,502,805,520,615,352/82,349,688.96
  6. Step 6: Final answer
    x = 103,252,430.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.