Home / 130,451,711.80-195,701,187.30-65,592,290.20

Finding the Fourth Proportional to 130,451,711.80, 195,701,187.30 and 65,592,290.20

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Solution

The fourth proportional to 130,451,711.80, 195,701,187.30 and 65,592,290.20 is: 98,400,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,451,711.80 : 195,701,187.30 = 65,592,290.20 : x
  2. Step 2: Convert to fraction form
    130,451,711.80/195,701,187.30 = 65,592,290.20/x
  3. Step 3: Cross multiply
    130,451,711.80x = 195,701,187.30 × 65,592,290.20
  4. Step 4: Simplify right side
    130,451,711.80x = 12,836,489,069,866,156
  5. Step 5: Solve for x
    x = 12,836,489,069,866,156/130,451,711.80
  6. Step 6: Final answer
    x = 98,400,311.45

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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.