Home / 141,032,193.60-211,548,290.40-80,454,043.20

Finding the Fourth Proportional to 141,032,193.60, 211,548,290.40 and 80,454,043.20

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Solution

The fourth proportional to 141,032,193.60, 211,548,290.40 and 80,454,043.20 is: 120,681,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,032,193.60 : 211,548,290.40 = 80,454,043.20 : x
  2. Step 2: Convert to fraction form
    141,032,193.60/211,548,290.40 = 80,454,043.20/x
  3. Step 3: Cross multiply
    141,032,193.60x = 211,548,290.40 × 80,454,043.20
  4. Step 4: Simplify right side
    141,032,193.60x = 17,019,915,294,727,746
  5. Step 5: Solve for x
    x = 17,019,915,294,727,746/141,032,193.60
  6. Step 6: Final answer
    x = 120,681,064.80

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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.