Home / 146,519,856.10-220,031,726.55-103,689,648.10

Finding the Fourth Proportional to 146,519,856.10, 220,031,726.55 and 103,689,648.10

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Solution

The fourth proportional to 146,519,856.10, 220,031,726.55 and 103,689,648.10 is: 155,712,767.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,519,856.10 : 220,031,726.55 = 103,689,648.10 : x
  2. Step 2: Convert to fraction form
    146,519,856.10/220,031,726.55 = 103,689,648.10/x
  3. Step 3: Cross multiply
    146,519,856.10x = 220,031,726.55 × 103,689,648.10
  4. Step 4: Simplify right side
    146,519,856.10x = 22,815,012,296,804,928
  5. Step 5: Solve for x
    x = 22,815,012,296,804,928/146,519,856.10
  6. Step 6: Final answer
    x = 155,712,767.57

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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.