Home / 359,021,566.76-538,532,330.70-86,392,362.92

Finding the Fourth Proportional to 359,021,566.76, 538,532,330.70 and 86,392,362.92

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Solution

The fourth proportional to 359,021,566.76, 538,532,330.70 and 86,392,362.92 is: 129,588,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,021,566.76 : 538,532,330.70 = 86,392,362.92 : x
  2. Step 2: Convert to fraction form
    359,021,566.76/538,532,330.70 = 86,392,362.92/x
  3. Step 3: Cross multiply
    359,021,566.76x = 538,532,330.70 × 86,392,362.92
  4. Step 4: Simplify right side
    359,021,566.76x = 46,525,080,557,987,864
  5. Step 5: Solve for x
    x = 46,525,080,557,987,864/359,021,566.76
  6. Step 6: Final answer
    x = 129,588,539.70

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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.