Home / 153,377,108.80-230,065,663.20-72,755,540.80

Finding the Fourth Proportional to 153,377,108.80, 230,065,663.20 and 72,755,540.80

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Solution

The fourth proportional to 153,377,108.80, 230,065,663.20 and 72,755,540.80 is: 109,133,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,377,108.80 : 230,065,663.20 = 72,755,540.80 : x
  2. Step 2: Convert to fraction form
    153,377,108.80/230,065,663.20 = 72,755,540.80/x
  3. Step 3: Cross multiply
    153,377,108.80x = 230,065,663.20 × 72,755,540.80
  4. Step 4: Simplify right side
    153,377,108.80x = 16,738,551,745,626,658
  5. Step 5: Solve for x
    x = 16,738,551,745,626,658/153,377,108.80
  6. Step 6: Final answer
    x = 109,133,311.20

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1.5x scale

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.