Home / 347,688,023.20-521,532,034.80-143,148,119.20

Finding the Fourth Proportional to 347,688,023.20, 521,532,034.80 and 143,148,119.20

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Solution

The fourth proportional to 347,688,023.20, 521,532,034.80 and 143,148,119.20 is: 214,722,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,688,023.20 : 521,532,034.80 = 143,148,119.20 : x
  2. Step 2: Convert to fraction form
    347,688,023.20/521,532,034.80 = 143,148,119.20/x
  3. Step 3: Cross multiply
    347,688,023.20x = 521,532,034.80 × 143,148,119.20
  4. Step 4: Simplify right side
    347,688,023.20x = 74,656,329,884,168,944
  5. Step 5: Solve for x
    x = 74,656,329,884,168,944/347,688,023.20
  6. Step 6: Final answer
    x = 214,722,178.80

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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.