Home / 359,018,404.79-538,487,232.42-96,722,341.28

Finding the Fourth Proportional to 359,018,404.79, 538,487,232.42 and 96,722,341.28

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Solution

The fourth proportional to 359,018,404.79, 538,487,232.42 and 96,722,341.28 is: 145,072,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,018,404.79 : 538,487,232.42 = 96,722,341.28 : x
  2. Step 2: Convert to fraction form
    359,018,404.79/538,487,232.42 = 96,722,341.28/x
  3. Step 3: Cross multiply
    359,018,404.79x = 538,487,232.42 × 96,722,341.28
  4. Step 4: Simplify right side
    359,018,404.79x = 52,083,745,868,739,528
  5. Step 5: Solve for x
    x = 52,083,745,868,739,528/359,018,404.79
  6. Step 6: Final answer
    x = 145,072,634.65

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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.