Home / 408,637,134.40-563,931,223.36-223,010,085.12

Finding the Fourth Proportional to 408,637,134.40, 563,931,223.36 and 223,010,085.12

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Solution

The fourth proportional to 408,637,134.40, 563,931,223.36 and 223,010,085.12 is: 307,760,454.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,637,134.40 : 563,931,223.36 = 223,010,085.12 : x
  2. Step 2: Convert to fraction form
    408,637,134.40/563,931,223.36 = 223,010,085.12/x
  3. Step 3: Cross multiply
    408,637,134.40x = 563,931,223.36 × 223,010,085.12
  4. Step 4: Simplify right side
    408,637,134.40x = 125,762,350,123,339,344
  5. Step 5: Solve for x
    x = 125,762,350,123,339,344/408,637,134.40
  6. Step 6: Final answer
    x = 307,760,454.29

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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.