Home / 66,703,585.65-100,055,378.48-47,332,561.20

Finding the Fourth Proportional to 66,703,585.65, 100,055,378.48 and 47,332,561.20

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Solution

The fourth proportional to 66,703,585.65, 100,055,378.48 and 47,332,561.20 is: 70,998,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,703,585.65 : 100,055,378.48 = 47,332,561.20 : x
  2. Step 2: Convert to fraction form
    66,703,585.65/100,055,378.48 = 47,332,561.20/x
  3. Step 3: Cross multiply
    66,703,585.65x = 100,055,378.48 × 47,332,561.20
  4. Step 4: Simplify right side
    66,703,585.65x = 4,735,877,325,057,100
  5. Step 5: Solve for x
    x = 4,735,877,325,057,100/66,703,585.65
  6. Step 6: Final answer
    x = 70,998,841.80

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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.