Home / 153,377,106.80-230,065,660.20-72,755,538.80

Finding the Fourth Proportional to 153,377,106.80, 230,065,660.20 and 72,755,538.80

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Solution

The fourth proportional to 153,377,106.80, 230,065,660.20 and 72,755,538.80 is: 109,133,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,377,106.80 : 230,065,660.20 = 72,755,538.80 : x
  2. Step 2: Convert to fraction form
    153,377,106.80/230,065,660.20 = 72,755,538.80/x
  3. Step 3: Cross multiply
    153,377,106.80x = 230,065,660.20 × 72,755,538.80
  4. Step 4: Simplify right side
    153,377,106.80x = 16,738,551,067,228,714
  5. Step 5: Solve for x
    x = 16,738,551,067,228,714/153,377,106.80
  6. Step 6: Final answer
    x = 109,133,308.20

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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.