Home / 216,890,228.80-325,335,343.20-73,280,987.20

Finding the Fourth Proportional to 216,890,228.80, 325,335,343.20 and 73,280,987.20

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Solution

The fourth proportional to 216,890,228.80, 325,335,343.20 and 73,280,987.20 is: 109,921,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,890,228.80 : 325,335,343.20 = 73,280,987.20 : x
  2. Step 2: Convert to fraction form
    216,890,228.80/325,335,343.20 = 73,280,987.20/x
  3. Step 3: Cross multiply
    216,890,228.80x = 325,335,343.20 × 73,280,987.20
  4. Step 4: Simplify right side
    216,890,228.80x = 23,840,895,120,746,808
  5. Step 5: Solve for x
    x = 23,840,895,120,746,808/216,890,228.80
  6. Step 6: Final answer
    x = 109,921,480.80

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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.