Home / 216,896,374.80-325,344,562.20-73,287,133.20

Finding the Fourth Proportional to 216,896,374.80, 325,344,562.20 and 73,287,133.20

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Solution

The fourth proportional to 216,896,374.80, 325,344,562.20 and 73,287,133.20 is: 109,930,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,896,374.80 : 325,344,562.20 = 73,287,133.20 : x
  2. Step 2: Convert to fraction form
    216,896,374.80/325,344,562.20 = 73,287,133.20/x
  3. Step 3: Cross multiply
    216,896,374.80x = 325,344,562.20 × 73,287,133.20
  4. Step 4: Simplify right side
    216,896,374.80x = 23,843,570,265,847,084
  5. Step 5: Solve for x
    x = 23,843,570,265,847,084/216,896,374.80
  6. Step 6: Final answer
    x = 109,930,699.80

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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.