Home / 130,387,746.80-195,581,620.20-84,471,244.40

Finding the Fourth Proportional to 130,387,746.80, 195,581,620.20 and 84,471,244.40

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Solution

The fourth proportional to 130,387,746.80, 195,581,620.20 and 84,471,244.40 is: 126,706,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,387,746.80 : 195,581,620.20 = 84,471,244.40 : x
  2. Step 2: Convert to fraction form
    130,387,746.80/195,581,620.20 = 84,471,244.40/x
  3. Step 3: Cross multiply
    130,387,746.80x = 195,581,620.20 × 84,471,244.40
  4. Step 4: Simplify right side
    130,387,746.80x = 16,521,022,840,062,178
  5. Step 5: Solve for x
    x = 16,521,022,840,062,178/130,387,746.80
  6. Step 6: Final answer
    x = 126,706,866.60

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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.