Home / 65,367,030.80-98,050,546.20-39,857,862.80

Finding the Fourth Proportional to 65,367,030.80, 98,050,546.20 and 39,857,862.80

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Solution

The fourth proportional to 65,367,030.80, 98,050,546.20 and 39,857,862.80 is: 59,786,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,367,030.80 : 98,050,546.20 = 39,857,862.80 : x
  2. Step 2: Convert to fraction form
    65,367,030.80/98,050,546.20 = 39,857,862.80/x
  3. Step 3: Cross multiply
    65,367,030.80x = 98,050,546.20 × 39,857,862.80
  4. Step 4: Simplify right side
    65,367,030.80x = 3,908,085,217,904,661
  5. Step 5: Solve for x
    x = 3,908,085,217,904,661/65,367,030.80
  6. Step 6: Final answer
    x = 59,786,794.20

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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.