Home / 141,785,593.60-212,678,390.40-55,495,321.60

Finding the Fourth Proportional to 141,785,593.60, 212,678,390.40 and 55,495,321.60

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Solution

The fourth proportional to 141,785,593.60, 212,678,390.40 and 55,495,321.60 is: 83,242,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,785,593.60 : 212,678,390.40 = 55,495,321.60 : x
  2. Step 2: Convert to fraction form
    141,785,593.60/212,678,390.40 = 55,495,321.60/x
  3. Step 3: Cross multiply
    141,785,593.60x = 212,678,390.40 × 55,495,321.60
  4. Step 4: Simplify right side
    141,785,593.60x = 11,802,655,672,618,354
  5. Step 5: Solve for x
    x = 11,802,655,672,618,354/141,785,593.60
  6. Step 6: Final answer
    x = 83,242,982.40

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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.