Home / 51,990,543.61-71,749,191.94-28,785,669.89

Finding the Fourth Proportional to 51,990,543.61, 71,749,191.94 and 28,785,669.89

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Solution

The fourth proportional to 51,990,543.61, 71,749,191.94 and 28,785,669.89 is: 39,725,465.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990,543.61 : 71,749,191.94 = 28,785,669.89 : x
  2. Step 2: Convert to fraction form
    51,990,543.61/71,749,191.94 = 28,785,669.89/x
  3. Step 3: Cross multiply
    51,990,543.61x = 71,749,191.94 × 28,785,669.89
  4. Step 4: Simplify right side
    51,990,543.61x = 2,065,348,554,194,045.25
  5. Step 5: Solve for x
    x = 2,065,348,554,194,045.25/51,990,543.61
  6. Step 6: Final answer
    x = 39,725,465.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.