Home / 82,588,186.12-123,612,818.44-60,722,767.88

Finding the Fourth Proportional to 82,588,186.12, 123,612,818.44 and 60,722,767.88

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Solution

The fourth proportional to 82,588,186.12, 123,612,818.44 and 60,722,767.88 is: 90,886,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,588,186.12 : 123,612,818.44 = 60,722,767.88 : x
  2. Step 2: Convert to fraction form
    82,588,186.12/123,612,818.44 = 60,722,767.88/x
  3. Step 3: Cross multiply
    82,588,186.12x = 123,612,818.44 × 60,722,767.88
  4. Step 4: Simplify right side
    82,588,186.12x = 7,506,112,480,821,090
  5. Step 5: Solve for x
    x = 7,506,112,480,821,090/82,588,186.12
  6. Step 6: Final answer
    x = 90,886,031.45

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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.