Home / 99,645,649.05-149,468,473.58-90,558,007.95

Finding the Fourth Proportional to 99,645,649.05, 149,468,473.58 and 90,558,007.95

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Solution

The fourth proportional to 99,645,649.05, 149,468,473.58 and 90,558,007.95 is: 135,837,011.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,645,649.05 : 149,468,473.58 = 90,558,007.95 : x
  2. Step 2: Convert to fraction form
    99,645,649.05/149,468,473.58 = 90,558,007.95/x
  3. Step 3: Cross multiply
    99,645,649.05x = 149,468,473.58 × 90,558,007.95
  4. Step 4: Simplify right side
    99,645,649.05x = 13,535,567,218,279,214
  5. Step 5: Solve for x
    x = 13,535,567,218,279,214/99,645,649.05
  6. Step 6: Final answer
    x = 135,837,011.93

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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.