Home / 51,990,355.23-71,748,932.25-28,785,482.22

Finding the Fourth Proportional to 51,990,355.23, 71,748,932.25 and 28,785,482.22

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Solution

The fourth proportional to 51,990,355.23, 71,748,932.25 and 28,785,482.22 is: 39,725,206.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990,355.23 : 71,748,932.25 = 28,785,482.22 : x
  2. Step 2: Convert to fraction form
    51,990,355.23/71,748,932.25 = 28,785,482.22/x
  3. Step 3: Cross multiply
    51,990,355.23x = 71,748,932.25 × 28,785,482.22
  4. Step 4: Simplify right side
    51,990,355.23x = 2,065,327,613,586,359.50
  5. Step 5: Solve for x
    x = 2,065,327,613,586,359.50/51,990,355.23
  6. Step 6: Final answer
    x = 39,725,206.81

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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.