Home / 66,445,365.30-99,668,047.95-39,123,611.70

Finding the Fourth Proportional to 66,445,365.30, 99,668,047.95 and 39,123,611.70

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Solution

The fourth proportional to 66,445,365.30, 99,668,047.95 and 39,123,611.70 is: 58,685,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445,365.30 : 99,668,047.95 = 39,123,611.70 : x
  2. Step 2: Convert to fraction form
    66,445,365.30/99,668,047.95 = 39,123,611.70/x
  3. Step 3: Cross multiply
    66,445,365.30x = 99,668,047.95 × 39,123,611.70
  4. Step 4: Simplify right side
    66,445,365.30x = 3,899,374,006,892,781.50
  5. Step 5: Solve for x
    x = 3,899,374,006,892,781.50/66,445,365.30
  6. Step 6: Final answer
    x = 58,685,417.55

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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.