Home / 146,739,331.20-220,108,996.80-144,471,849.60

Finding the Fourth Proportional to 146,739,331.20, 220,108,996.80 and 144,471,849.60

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Solution

The fourth proportional to 146,739,331.20, 220,108,996.80 and 144,471,849.60 is: 216,707,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,739,331.20 : 220,108,996.80 = 144,471,849.60 : x
  2. Step 2: Convert to fraction form
    146,739,331.20/220,108,996.80 = 144,471,849.60/x
  3. Step 3: Cross multiply
    146,739,331.20x = 220,108,996.80 × 144,471,849.60
  4. Step 4: Simplify right side
    146,739,331.20x = 31,799,553,881,296,480
  5. Step 5: Solve for x
    x = 31,799,553,881,296,480/146,739,331.20
  6. Step 6: Final answer
    x = 216,707,774.40

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1.5x scale

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.