Home / 124,939,938.33-187,427,345.40-52,140,031.61

Finding the Fourth Proportional to 124,939,938.33, 187,427,345.40 and 52,140,031.61

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Solution

The fourth proportional to 124,939,938.33, 187,427,345.40 and 52,140,031.61 is: 78,217,324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,939,938.33 : 187,427,345.40 = 52,140,031.61 : x
  2. Step 2: Convert to fraction form
    124,939,938.33/187,427,345.40 = 52,140,031.61/x
  3. Step 3: Cross multiply
    124,939,938.33x = 187,427,345.40 × 52,140,031.61
  4. Step 4: Simplify right side
    124,939,938.33x = 9,772,467,712,797,252
  5. Step 5: Solve for x
    x = 9,772,467,712,797,252/124,939,938.33
  6. Step 6: Final answer
    x = 78,217,324.61

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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.