Home / 99,661,810.70-149,386,427.85-38,227,231.10

Finding the Fourth Proportional to 99,661,810.70, 149,386,427.85 and 38,227,231.10

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Solution

The fourth proportional to 99,661,810.70, 149,386,427.85 and 38,227,231.10 is: 57,300,077.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,661,810.70 : 149,386,427.85 = 38,227,231.10 : x
  2. Step 2: Convert to fraction form
    99,661,810.70/149,386,427.85 = 38,227,231.10/x
  3. Step 3: Cross multiply
    99,661,810.70x = 149,386,427.85 × 38,227,231.10
  4. Step 4: Simplify right side
    99,661,810.70x = 5,710,629,500,625,426
  5. Step 5: Solve for x
    x = 5,710,629,500,625,426/99,661,810.70
  6. Step 6: Final answer
    x = 57,300,077.74

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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.