Home / 153,332,509.60-229,885,321.20-72,458,999.20

Finding the Fourth Proportional to 153,332,509.60, 229,885,321.20 and 72,458,999.20

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Solution

The fourth proportional to 153,332,509.60, 229,885,321.20 and 72,458,999.20 is: 108,634,889.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,332,509.60 : 229,885,321.20 = 72,458,999.20 : x
  2. Step 2: Convert to fraction form
    153,332,509.60/229,885,321.20 = 72,458,999.20/x
  3. Step 3: Cross multiply
    153,332,509.60x = 229,885,321.20 × 72,458,999.20
  4. Step 4: Simplify right side
    153,332,509.60x = 16,657,260,304,922,542
  5. Step 5: Solve for x
    x = 16,657,260,304,922,542/153,332,509.60
  6. Step 6: Final answer
    x = 108,634,889.94

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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.