Home / 231,042,871.81-318,803,899.14-130,534,635.85

Finding the Fourth Proportional to 231,042,871.81, 318,803,899.14 and 130,534,635.85

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Solution

The fourth proportional to 231,042,871.81, 318,803,899.14 and 130,534,635.85 is: 180,117,874.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,042,871.81 : 318,803,899.14 = 130,534,635.85 : x
  2. Step 2: Convert to fraction form
    231,042,871.81/318,803,899.14 = 130,534,635.85/x
  3. Step 3: Cross multiply
    231,042,871.81x = 318,803,899.14 × 130,534,635.85
  4. Step 4: Simplify right side
    231,042,871.81x = 41,614,950,881,800,024
  5. Step 5: Solve for x
    x = 41,614,950,881,800,024/231,042,871.81
  6. Step 6: Final answer
    x = 180,117,874.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.