Home / 216,641,033.20-324,754,420.20-80,289,852.40

Finding the Fourth Proportional to 216,641,033.20, 324,754,420.20 and 80,289,852.40

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Solution

The fourth proportional to 216,641,033.20, 324,754,420.20 and 80,289,852.40 is: 120,358,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,641,033.20 : 324,754,420.20 = 80,289,852.40 : x
  2. Step 2: Convert to fraction form
    216,641,033.20/324,754,420.20 = 80,289,852.40/x
  3. Step 3: Cross multiply
    216,641,033.20x = 324,754,420.20 × 80,289,852.40
  4. Step 4: Simplify right side
    216,641,033.20x = 26,074,484,464,105,580
  5. Step 5: Solve for x
    x = 26,074,484,464,105,580/216,641,033.20
  6. Step 6: Final answer
    x = 120,358,013.80

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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.