Home / 231,122,898.76-318,948,430.82-125,275,887.72

Finding the Fourth Proportional to 231,122,898.76, 318,948,430.82 and 125,275,887.72

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Solution

The fourth proportional to 231,122,898.76, 318,948,430.82 and 125,275,887.72 is: 172,880,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,122,898.76 : 318,948,430.82 = 125,275,887.72 : x
  2. Step 2: Convert to fraction form
    231,122,898.76/318,948,430.82 = 125,275,887.72/x
  3. Step 3: Cross multiply
    231,122,898.76x = 318,948,430.82 × 125,275,887.72
  4. Step 4: Simplify right side
    231,122,898.76x = 39,956,547,807,876,504
  5. Step 5: Solve for x
    x = 39,956,547,807,876,504/231,122,898.76
  6. Step 6: Final answer
    x = 172,880,091.16

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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.