Home / 69,984,053.20-104,976,079.80-64,441,320.40

Finding the Fourth Proportional to 69,984,053.20, 104,976,079.80 and 64,441,320.40

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Solution

The fourth proportional to 69,984,053.20, 104,976,079.80 and 64,441,320.40 is: 96,661,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,053.20 : 104,976,079.80 = 64,441,320.40 : x
  2. Step 2: Convert to fraction form
    69,984,053.20/104,976,079.80 = 64,441,320.40/x
  3. Step 3: Cross multiply
    69,984,053.20x = 104,976,079.80 × 64,441,320.40
  4. Step 4: Simplify right side
    69,984,053.20x = 6,764,797,192,727,768
  5. Step 5: Solve for x
    x = 6,764,797,192,727,768/69,984,053.20
  6. Step 6: Final answer
    x = 96,661,980.60

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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.