Home / 170,843,702.47-256,358,846.06-72,460,105.76

Finding the Fourth Proportional to 170,843,702.47, 256,358,846.06 and 72,460,105.76

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Solution

The fourth proportional to 170,843,702.47, 256,358,846.06 and 72,460,105.76 is: 108,729,726.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,843,702.47 : 256,358,846.06 = 72,460,105.76 : x
  2. Step 2: Convert to fraction form
    170,843,702.47/256,358,846.06 = 72,460,105.76/x
  3. Step 3: Cross multiply
    170,843,702.47x = 256,358,846.06 × 72,460,105.76
  4. Step 4: Simplify right side
    170,843,702.47x = 18,575,789,098,569,484
  5. Step 5: Solve for x
    x = 18,575,789,098,569,484/170,843,702.47
  6. Step 6: Final answer
    x = 108,729,726.82

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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.