Home / 141,101,097.60-211,651,646.40-100,491,715.20

Finding the Fourth Proportional to 141,101,097.60, 211,651,646.40 and 100,491,715.20

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Solution

The fourth proportional to 141,101,097.60, 211,651,646.40 and 100,491,715.20 is: 150,737,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,101,097.60 : 211,651,646.40 = 100,491,715.20 : x
  2. Step 2: Convert to fraction form
    141,101,097.60/211,651,646.40 = 100,491,715.20/x
  3. Step 3: Cross multiply
    141,101,097.60x = 211,651,646.40 × 100,491,715.20
  4. Step 4: Simplify right side
    141,101,097.60x = 21,269,236,971,639,908
  5. Step 5: Solve for x
    x = 21,269,236,971,639,908/141,101,097.60
  6. Step 6: Final answer
    x = 150,737,572.80

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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.