Home / 153,377,350.80-230,066,026.20-72,755,782.80

Finding the Fourth Proportional to 153,377,350.80, 230,066,026.20 and 72,755,782.80

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Solution

The fourth proportional to 153,377,350.80, 230,066,026.20 and 72,755,782.80 is: 109,133,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,377,350.80 : 230,066,026.20 = 72,755,782.80 : x
  2. Step 2: Convert to fraction form
    153,377,350.80/230,066,026.20 = 72,755,782.80/x
  3. Step 3: Cross multiply
    153,377,350.80x = 230,066,026.20 × 72,755,782.80
  4. Step 4: Simplify right side
    153,377,350.80x = 16,738,633,831,866,308
  5. Step 5: Solve for x
    x = 16,738,633,831,866,308/153,377,350.80
  6. Step 6: Final answer
    x = 109,133,674.20

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Similar ratio
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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.