Home / 99,346,877.70-149,020,316.55-84,230,333.70

Finding the Fourth Proportional to 99,346,877.70, 149,020,316.55 and 84,230,333.70

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Solution

The fourth proportional to 99,346,877.70, 149,020,316.55 and 84,230,333.70 is: 126,345,500.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,346,877.70 : 149,020,316.55 = 84,230,333.70 : x
  2. Step 2: Convert to fraction form
    99,346,877.70/149,020,316.55 = 84,230,333.70/x
  3. Step 3: Cross multiply
    99,346,877.70x = 149,020,316.55 × 84,230,333.70
  4. Step 4: Simplify right side
    99,346,877.70x = 12,552,030,991,086,134
  5. Step 5: Solve for x
    x = 12,552,030,991,086,134/99,346,877.70
  6. Step 6: Final answer
    x = 126,345,500.55

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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.