Home / 57,312,042.80-85,968,064.20-36,904,708.40

Finding the Fourth Proportional to 57,312,042.80, 85,968,064.20 and 36,904,708.40

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Solution

The fourth proportional to 57,312,042.80, 85,968,064.20 and 36,904,708.40 is: 55,357,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312,042.80 : 85,968,064.20 = 36,904,708.40 : x
  2. Step 2: Convert to fraction form
    57,312,042.80/85,968,064.20 = 36,904,708.40/x
  3. Step 3: Cross multiply
    57,312,042.80x = 85,968,064.20 × 36,904,708.40
  4. Step 4: Simplify right side
    57,312,042.80x = 3,172,626,341,013,479.50
  5. Step 5: Solve for x
    x = 3,172,626,341,013,479.50/57,312,042.80
  6. Step 6: Final answer
    x = 55,357,062.60

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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.