Home / 57,693,865.14-79,617,545.28-31,588,389.72

Finding the Fourth Proportional to 57,693,865.14, 79,617,545.28 and 31,588,389.72

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Solution

The fourth proportional to 57,693,865.14, 79,617,545.28 and 31,588,389.72 is: 43,591,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,693,865.14 : 79,617,545.28 = 31,588,389.72 : x
  2. Step 2: Convert to fraction form
    57,693,865.14/79,617,545.28 = 31,588,389.72/x
  3. Step 3: Cross multiply
    57,693,865.14x = 79,617,545.28 × 31,588,389.72
  4. Step 4: Simplify right side
    57,693,865.14x = 2,514,990,048,854,386.50
  5. Step 5: Solve for x
    x = 2,514,990,048,854,386.50/57,693,865.14
  6. Step 6: Final answer
    x = 43,591,984.05

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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.