Home / 425,314,981.41-637,972,472.47-102,198,853.41

Finding the Fourth Proportional to 425,314,981.41, 637,972,472.47 and 102,198,853.41

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Solution

The fourth proportional to 425,314,981.41, 637,972,472.47 and 102,198,853.41 is: 153,298,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,314,981.41 : 637,972,472.47 = 102,198,853.41 : x
  2. Step 2: Convert to fraction form
    425,314,981.41/637,972,472.47 = 102,198,853.41/x
  3. Step 3: Cross multiply
    425,314,981.41x = 637,972,472.47 × 102,198,853.41
  4. Step 4: Simplify right side
    425,314,981.41x = 65,200,055,193,576,792
  5. Step 5: Solve for x
    x = 65,200,055,193,576,792/425,314,981.41
  6. Step 6: Final answer
    x = 153,298,280.20

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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.