Home / 301,527,227.70-452,290,841.55-129,021,479.10

Finding the Fourth Proportional to 301,527,227.70, 452,290,841.55 and 129,021,479.10

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Solution

The fourth proportional to 301,527,227.70, 452,290,841.55 and 129,021,479.10 is: 193,532,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,527,227.70 : 452,290,841.55 = 129,021,479.10 : x
  2. Step 2: Convert to fraction form
    301,527,227.70/452,290,841.55 = 129,021,479.10/x
  3. Step 3: Cross multiply
    301,527,227.70x = 452,290,841.55 × 129,021,479.10
  4. Step 4: Simplify right side
    301,527,227.70x = 58,355,233,360,164,736
  5. Step 5: Solve for x
    x = 58,355,233,360,164,736/301,527,227.70
  6. Step 6: Final answer
    x = 193,532,218.65

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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.