Home / 135,549,063.60-203,181,877.80-74,043,625.20

Finding the Fourth Proportional to 135,549,063.60, 203,181,877.80 and 74,043,625.20

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Solution

The fourth proportional to 135,549,063.60, 203,181,877.80 and 74,043,625.20 is: 110,988,024.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,549,063.60 : 203,181,877.80 = 74,043,625.20 : x
  2. Step 2: Convert to fraction form
    135,549,063.60/203,181,877.80 = 74,043,625.20/x
  3. Step 3: Cross multiply
    135,549,063.60x = 203,181,877.80 × 74,043,625.20
  4. Step 4: Simplify right side
    135,549,063.60x = 15,044,322,807,255,402
  5. Step 5: Solve for x
    x = 15,044,322,807,255,402/135,549,063.60
  6. Step 6: Final answer
    x = 110,988,024.61

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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.