Home / 52,488,052.60-78,732,078.90-18,404,969.80

Finding the Fourth Proportional to 52,488,052.60, 78,732,078.90 and 18,404,969.80

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Solution

The fourth proportional to 52,488,052.60, 78,732,078.90 and 18,404,969.80 is: 27,607,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,052.60 : 78,732,078.90 = 18,404,969.80 : x
  2. Step 2: Convert to fraction form
    52,488,052.60/78,732,078.90 = 18,404,969.80/x
  3. Step 3: Cross multiply
    52,488,052.60x = 78,732,078.90 × 18,404,969.80
  4. Step 4: Simplify right side
    52,488,052.60x = 1,449,061,534,445,717.50
  5. Step 5: Solve for x
    x = 1,449,061,534,445,717.50/52,488,052.60
  6. Step 6: Final answer
    x = 27,607,454.70

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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.