Home / 231,721,603.20-347,781,470.40-102,528,028.80

Finding the Fourth Proportional to 231,721,603.20, 347,781,470.40 and 102,528,028.80

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Solution

The fourth proportional to 231,721,603.20, 347,781,470.40 and 102,528,028.80 is: 153,880,122.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,721,603.20 : 347,781,470.40 = 102,528,028.80 : x
  2. Step 2: Convert to fraction form
    231,721,603.20/347,781,470.40 = 102,528,028.80/x
  3. Step 3: Cross multiply
    231,721,603.20x = 347,781,470.40 × 102,528,028.80
  4. Step 4: Simplify right side
    231,721,603.20x = 35,657,348,613,277,544
  5. Step 5: Solve for x
    x = 35,657,348,613,277,544/231,721,603.20
  6. Step 6: Final answer
    x = 153,880,122.18

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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.