Home / 52,488,129.60-78,732,194.40-39,450,110.40

Finding the Fourth Proportional to 52,488,129.60, 78,732,194.40 and 39,450,110.40

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Solution

The fourth proportional to 52,488,129.60, 78,732,194.40 and 39,450,110.40 is: 59,175,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,129.60 : 78,732,194.40 = 39,450,110.40 : x
  2. Step 2: Convert to fraction form
    52,488,129.60/78,732,194.40 = 39,450,110.40/x
  3. Step 3: Cross multiply
    52,488,129.60x = 78,732,194.40 × 39,450,110.40
  4. Step 4: Simplify right side
    52,488,129.60x = 3,105,993,761,114,262
  5. Step 5: Solve for x
    x = 3,105,993,761,114,262/52,488,129.60
  6. Step 6: Final answer
    x = 59,175,165.60

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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.