Home / 239,235,968.40-358,914,478.40-66,712,800.32

Finding the Fourth Proportional to 239,235,968.40, 358,914,478.40 and 66,712,800.32

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Solution

The fourth proportional to 239,235,968.40, 358,914,478.40 and 66,712,800.32 is: 100,086,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,235,968.40 : 358,914,478.40 = 66,712,800.32 : x
  2. Step 2: Convert to fraction form
    239,235,968.40/358,914,478.40 = 66,712,800.32/x
  3. Step 3: Cross multiply
    239,235,968.40x = 358,914,478.40 × 66,712,800.32
  4. Step 4: Simplify right side
    239,235,968.40x = 23,944,189,929,456,152
  5. Step 5: Solve for x
    x = 23,944,189,929,456,152/239,235,968.40
  6. Step 6: Final answer
    x = 100,086,078.57

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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.