Home / 66,429,246.20-99,625,206.90-21,004,964.60

Finding the Fourth Proportional to 66,429,246.20, 99,625,206.90 and 21,004,964.60

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Solution

The fourth proportional to 66,429,246.20, 99,625,206.90 and 21,004,964.60 is: 31,501,545.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,246.20 : 99,625,206.90 = 21,004,964.60 : x
  2. Step 2: Convert to fraction form
    66,429,246.20/99,625,206.90 = 21,004,964.60/x
  3. Step 3: Cross multiply
    66,429,246.20x = 99,625,206.90 × 21,004,964.60
  4. Step 4: Simplify right side
    66,429,246.20x = 2,092,623,944,202,176
  5. Step 5: Solve for x
    x = 2,092,623,944,202,176/66,429,246.20
  6. Step 6: Final answer
    x = 31,501,545.84

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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.