Home / 239,169,890.40-358,754,835.60-218,006,728.80

Finding the Fourth Proportional to 239,169,890.40, 358,754,835.60 and 218,006,728.80

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Solution

The fourth proportional to 239,169,890.40, 358,754,835.60 and 218,006,728.80 is: 327,010,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,169,890.40 : 358,754,835.60 = 218,006,728.80 : x
  2. Step 2: Convert to fraction form
    239,169,890.40/358,754,835.60 = 218,006,728.80/x
  3. Step 3: Cross multiply
    239,169,890.40x = 358,754,835.60 × 218,006,728.80
  4. Step 4: Simplify right side
    239,169,890.40x = 78,210,968,150,337,792
  5. Step 5: Solve for x
    x = 78,210,968,150,337,792/239,169,890.40
  6. Step 6: Final answer
    x = 327,010,093.20

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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.