Home / 153,331,520.60-229,883,837.70-72,458,010.20

Finding the Fourth Proportional to 153,331,520.60, 229,883,837.70 and 72,458,010.20

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Solution

The fourth proportional to 153,331,520.60, 229,883,837.70 and 72,458,010.20 is: 108,633,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,331,520.60 : 229,883,837.70 = 72,458,010.20 : x
  2. Step 2: Convert to fraction form
    153,331,520.60/229,883,837.70 = 72,458,010.20/x
  3. Step 3: Cross multiply
    153,331,520.60x = 229,883,837.70 × 72,458,010.20
  4. Step 4: Simplify right side
    153,331,520.60x = 16,656,925,456,881,744
  5. Step 5: Solve for x
    x = 16,656,925,456,881,744/153,331,520.60
  6. Step 6: Final answer
    x = 108,633,406.83

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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.