Home / 99,072,003.60-148,608,005.40-91,897,550.10

Finding the Fourth Proportional to 99,072,003.60, 148,608,005.40 and 91,897,550.10

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Solution

The fourth proportional to 99,072,003.60, 148,608,005.40 and 91,897,550.10 is: 137,846,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072,003.60 : 148,608,005.40 = 91,897,550.10 : x
  2. Step 2: Convert to fraction form
    99,072,003.60/148,608,005.40 = 91,897,550.10/x
  3. Step 3: Cross multiply
    99,072,003.60x = 148,608,005.40 × 91,897,550.10
  4. Step 4: Simplify right side
    99,072,003.60x = 13,656,711,621,507,570
  5. Step 5: Solve for x
    x = 13,656,711,621,507,570/99,072,003.60
  6. Step 6: Final answer
    x = 137,846,325.15

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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.