Home / 66,445,338.80-99,668,008.20-39,123,585.20

Finding the Fourth Proportional to 66,445,338.80, 99,668,008.20 and 39,123,585.20

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Solution

The fourth proportional to 66,445,338.80, 99,668,008.20 and 39,123,585.20 is: 58,685,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445,338.80 : 99,668,008.20 = 39,123,585.20 : x
  2. Step 2: Convert to fraction form
    66,445,338.80/99,668,008.20 = 39,123,585.20/x
  3. Step 3: Cross multiply
    66,445,338.80x = 99,668,008.20 × 39,123,585.20
  4. Step 4: Simplify right side
    66,445,338.80x = 3,899,369,810,526,999
  5. Step 5: Solve for x
    x = 3,899,369,810,526,999/66,445,338.80
  6. Step 6: Final answer
    x = 58,685,377.80

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1.5x scale

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.