Home / 216,866,888.16-325,304,220.24-78,790,555.68

Finding the Fourth Proportional to 216,866,888.16, 325,304,220.24 and 78,790,555.68

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Solution

The fourth proportional to 216,866,888.16, 325,304,220.24 and 78,790,555.68 is: 118,187,246.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,866,888.16 : 325,304,220.24 = 78,790,555.68 : x
  2. Step 2: Convert to fraction form
    216,866,888.16/325,304,220.24 = 78,790,555.68/x
  3. Step 3: Cross multiply
    216,866,888.16x = 325,304,220.24 × 78,790,555.68
  4. Step 4: Simplify right side
    216,866,888.16x = 25,630,900,277,758,708
  5. Step 5: Solve for x
    x = 25,630,900,277,758,708/216,866,888.16
  6. Step 6: Final answer
    x = 118,187,246.08

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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.