Home / 82,707,431.20-124,087,718.85-55,444,507.90

Finding the Fourth Proportional to 82,707,431.20, 124,087,718.85 and 55,444,507.90

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Solution

The fourth proportional to 82,707,431.20, 124,087,718.85 and 55,444,507.90 is: 83,184,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,707,431.20 : 124,087,718.85 = 55,444,507.90 : x
  2. Step 2: Convert to fraction form
    82,707,431.20/124,087,718.85 = 55,444,507.90/x
  3. Step 3: Cross multiply
    82,707,431.20x = 124,087,718.85 × 55,444,507.90
  4. Step 4: Simplify right side
    82,707,431.20x = 6,879,982,508,071,803
  5. Step 5: Solve for x
    x = 6,879,982,508,071,803/82,707,431.20
  6. Step 6: Final answer
    x = 83,184,574.93

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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.