Home / 82,514,688.70-123,681,637.05-41,508,730.30

Finding the Fourth Proportional to 82,514,688.70, 123,681,637.05 and 41,508,730.30

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Solution

The fourth proportional to 82,514,688.70, 123,681,637.05 and 41,508,730.30 is: 62,217,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,514,688.70 : 123,681,637.05 = 41,508,730.30 : x
  2. Step 2: Convert to fraction form
    82,514,688.70/123,681,637.05 = 41,508,730.30/x
  3. Step 3: Cross multiply
    82,514,688.70x = 123,681,637.05 × 41,508,730.30
  4. Step 4: Simplify right side
    82,514,688.70x = 5,133,867,715,370,937
  5. Step 5: Solve for x
    x = 5,133,867,715,370,937/82,514,688.70
  6. Step 6: Final answer
    x = 62,217,622.05

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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.