Home / 149,496,901.20-224,287,342.20-72,822,430.80

Finding the Fourth Proportional to 149,496,901.20, 224,287,342.20 and 72,822,430.80

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Solution

The fourth proportional to 149,496,901.20, 224,287,342.20 and 72,822,430.80 is: 109,254,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,496,901.20 : 224,287,342.20 = 72,822,430.80 : x
  2. Step 2: Convert to fraction form
    149,496,901.20/224,287,342.20 = 72,822,430.80/x
  3. Step 3: Cross multiply
    149,496,901.20x = 224,287,342.20 × 72,822,430.80
  4. Step 4: Simplify right side
    149,496,901.20x = 16,333,149,456,675,418
  5. Step 5: Solve for x
    x = 16,333,149,456,675,418/149,496,901.20
  6. Step 6: Final answer
    x = 109,254,100.42

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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.