Home / 351,939,367.90-528,098,008.65-147,488,110.30

Finding the Fourth Proportional to 351,939,367.90, 528,098,008.65 and 147,488,110.30

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Solution

The fourth proportional to 351,939,367.90, 528,098,008.65 and 147,488,110.30 is: 221,311,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,939,367.90 : 528,098,008.65 = 147,488,110.30 : x
  2. Step 2: Convert to fraction form
    351,939,367.90/528,098,008.65 = 147,488,110.30/x
  3. Step 3: Cross multiply
    351,939,367.90x = 528,098,008.65 × 147,488,110.30
  4. Step 4: Simplify right side
    351,939,367.90x = 77,888,177,348,981,552
  5. Step 5: Solve for x
    x = 77,888,177,348,981,552/351,939,367.90
  6. Step 6: Final answer
    x = 221,311,352.05

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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.