Home / 359,021,562.76-538,532,324.70-86,392,358.92

Finding the Fourth Proportional to 359,021,562.76, 538,532,324.70 and 86,392,358.92

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Solution

The fourth proportional to 359,021,562.76, 538,532,324.70 and 86,392,358.92 is: 129,588,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,021,562.76 : 538,532,324.70 = 86,392,358.92 : x
  2. Step 2: Convert to fraction form
    359,021,562.76/538,532,324.70 = 86,392,358.92/x
  3. Step 3: Cross multiply
    359,021,562.76x = 538,532,324.70 × 86,392,358.92
  4. Step 4: Simplify right side
    359,021,562.76x = 46,525,077,885,504,384
  5. Step 5: Solve for x
    x = 46,525,077,885,504,384/359,021,562.76
  6. Step 6: Final answer
    x = 129,588,533.70

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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.