Home / 347,688,002.70-521,532,004.05-143,148,098.70

Finding the Fourth Proportional to 347,688,002.70, 521,532,004.05 and 143,148,098.70

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Solution

The fourth proportional to 347,688,002.70, 521,532,004.05 and 143,148,098.70 is: 214,722,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,688,002.70 : 521,532,004.05 = 143,148,098.70 : x
  2. Step 2: Convert to fraction form
    347,688,002.70/521,532,004.05 = 143,148,098.70/x
  3. Step 3: Cross multiply
    347,688,002.70x = 521,532,004.05 × 143,148,098.70
  4. Step 4: Simplify right side
    347,688,002.70x = 74,656,314,790,958,192
  5. Step 5: Solve for x
    x = 74,656,314,790,958,192/347,688,002.70
  6. Step 6: Final answer
    x = 214,722,148.05

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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.