Home / 65,342,620.80-98,013,931.20-58,288,233.60

Finding the Fourth Proportional to 65,342,620.80, 98,013,931.20 and 58,288,233.60

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Solution

The fourth proportional to 65,342,620.80, 98,013,931.20 and 58,288,233.60 is: 87,432,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,342,620.80 : 98,013,931.20 = 58,288,233.60 : x
  2. Step 2: Convert to fraction form
    65,342,620.80/98,013,931.20 = 58,288,233.60/x
  3. Step 3: Cross multiply
    65,342,620.80x = 98,013,931.20 × 58,288,233.60
  4. Step 4: Simplify right side
    65,342,620.80x = 5,713,058,917,839,929
  5. Step 5: Solve for x
    x = 5,713,058,917,839,929/65,342,620.80
  6. Step 6: Final answer
    x = 87,432,350.40

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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.