Home / 147,744,621.90-221,616,932.85-86,522,618.70

Finding the Fourth Proportional to 147,744,621.90, 221,616,932.85 and 86,522,618.70

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Solution

The fourth proportional to 147,744,621.90, 221,616,932.85 and 86,522,618.70 is: 129,783,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,621.90 : 221,616,932.85 = 86,522,618.70 : x
  2. Step 2: Convert to fraction form
    147,744,621.90/221,616,932.85 = 86,522,618.70/x
  3. Step 3: Cross multiply
    147,744,621.90x = 221,616,932.85 × 86,522,618.70
  4. Step 4: Simplify right side
    147,744,621.90x = 19,174,877,378,444,056
  5. Step 5: Solve for x
    x = 19,174,877,378,444,056/147,744,621.90
  6. Step 6: Final answer
    x = 129,783,928.05

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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.