Home / 99,011,019.70-148,516,529.55-90,500,965.30

Finding the Fourth Proportional to 99,011,019.70, 148,516,529.55 and 90,500,965.30

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Solution

The fourth proportional to 99,011,019.70, 148,516,529.55 and 90,500,965.30 is: 135,751,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,011,019.70 : 148,516,529.55 = 90,500,965.30 : x
  2. Step 2: Convert to fraction form
    99,011,019.70/148,516,529.55 = 90,500,965.30/x
  3. Step 3: Cross multiply
    99,011,019.70x = 148,516,529.55 × 90,500,965.30
  4. Step 4: Simplify right side
    99,011,019.70x = 13,440,889,287,280,976
  5. Step 5: Solve for x
    x = 13,440,889,287,280,976/99,011,019.70
  6. Step 6: Final answer
    x = 135,751,447.95

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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.