Home / 147,615,745.70-221,423,618.55-38,440,705.70

Finding the Fourth Proportional to 147,615,745.70, 221,423,618.55 and 38,440,705.70

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Solution

The fourth proportional to 147,615,745.70, 221,423,618.55 and 38,440,705.70 is: 57,661,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,615,745.70 : 221,423,618.55 = 38,440,705.70 : x
  2. Step 2: Convert to fraction form
    147,615,745.70/221,423,618.55 = 38,440,705.70/x
  3. Step 3: Cross multiply
    147,615,745.70x = 221,423,618.55 × 38,440,705.70
  4. Step 4: Simplify right side
    147,615,745.70x = 8,511,680,155,709,612
  5. Step 5: Solve for x
    x = 8,511,680,155,709,612/147,615,745.70
  6. Step 6: Final answer
    x = 57,661,058.55

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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.