Home / 57,223,521.20-85,835,281.80-39,083,668.40

Finding the Fourth Proportional to 57,223,521.20, 85,835,281.80 and 39,083,668.40

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Solution

The fourth proportional to 57,223,521.20, 85,835,281.80 and 39,083,668.40 is: 58,625,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,223,521.20 : 85,835,281.80 = 39,083,668.40 : x
  2. Step 2: Convert to fraction form
    57,223,521.20/85,835,281.80 = 39,083,668.40/x
  3. Step 3: Cross multiply
    57,223,521.20x = 85,835,281.80 × 39,083,668.40
  4. Step 4: Simplify right side
    57,223,521.20x = 3,354,757,690,891,755
  5. Step 5: Solve for x
    x = 3,354,757,690,891,755/57,223,521.20
  6. Step 6: Final answer
    x = 58,625,502.60

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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.