Home / 99,660,428.70-149,490,643.05-58,677,798.30

Finding the Fourth Proportional to 99,660,428.70, 149,490,643.05 and 58,677,798.30

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Solution

The fourth proportional to 99,660,428.70, 149,490,643.05 and 58,677,798.30 is: 88,016,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660,428.70 : 149,490,643.05 = 58,677,798.30 : x
  2. Step 2: Convert to fraction form
    99,660,428.70/149,490,643.05 = 58,677,798.30/x
  3. Step 3: Cross multiply
    99,660,428.70x = 149,490,643.05 × 58,677,798.30
  4. Step 4: Simplify right side
    99,660,428.70x = 8,771,781,800,625,197
  5. Step 5: Solve for x
    x = 8,771,781,800,625,197/99,660,428.70
  6. Step 6: Final answer
    x = 88,016,697.45

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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.