Home / 53,915,459.20-80,895,307.20-19,853,123.20

Finding the Fourth Proportional to 53,915,459.20, 80,895,307.20 and 19,853,123.20

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Solution

The fourth proportional to 53,915,459.20, 80,895,307.20 and 19,853,123.20 is: 29,787,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,915,459.20 : 80,895,307.20 = 19,853,123.20 : x
  2. Step 2: Convert to fraction form
    53,915,459.20/80,895,307.20 = 19,853,123.20/x
  3. Step 3: Cross multiply
    53,915,459.20x = 80,895,307.20 × 19,853,123.20
  4. Step 4: Simplify right side
    53,915,459.20x = 1,606,024,500,143,447
  5. Step 5: Solve for x
    x = 1,606,024,500,143,447/53,915,459.20
  6. Step 6: Final answer
    x = 29,787,829.39

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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.