Home / 67,223,488.80-100,835,233.20-66,585,759.60

Finding the Fourth Proportional to 67,223,488.80, 100,835,233.20 and 66,585,759.60

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Solution

The fourth proportional to 67,223,488.80, 100,835,233.20 and 66,585,759.60 is: 99,878,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,223,488.80 : 100,835,233.20 = 66,585,759.60 : x
  2. Step 2: Convert to fraction form
    67,223,488.80/100,835,233.20 = 66,585,759.60/x
  3. Step 3: Cross multiply
    67,223,488.80x = 100,835,233.20 × 66,585,759.60
  4. Step 4: Simplify right side
    67,223,488.80x = 6,714,190,597,065,139
  5. Step 5: Solve for x
    x = 6,714,190,597,065,139/67,223,488.80
  6. Step 6: Final answer
    x = 99,878,639.40

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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.