Home / 141,969,061.80-212,953,592.70-135,272,905.20

Finding the Fourth Proportional to 141,969,061.80, 212,953,592.70 and 135,272,905.20

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Solution

The fourth proportional to 141,969,061.80, 212,953,592.70 and 135,272,905.20 is: 202,909,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,969,061.80 : 212,953,592.70 = 135,272,905.20 : x
  2. Step 2: Convert to fraction form
    141,969,061.80/212,953,592.70 = 135,272,905.20/x
  3. Step 3: Cross multiply
    141,969,061.80x = 212,953,592.70 × 135,272,905.20
  4. Step 4: Simplify right side
    141,969,061.80x = 28,806,851,157,306,508
  5. Step 5: Solve for x
    x = 28,806,851,157,306,508/141,969,061.80
  6. Step 6: Final answer
    x = 202,909,357.80

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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.