Home / 78,031,186.98-117,063,215.79-29,507,966.52

Finding the Fourth Proportional to 78,031,186.98, 117,063,215.79 and 29,507,966.52

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Solution

The fourth proportional to 78,031,186.98, 117,063,215.79 and 29,507,966.52 is: 44,268,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,031,186.98 : 117,063,215.79 = 29,507,966.52 : x
  2. Step 2: Convert to fraction form
    78,031,186.98/117,063,215.79 = 29,507,966.52/x
  3. Step 3: Cross multiply
    78,031,186.98x = 117,063,215.79 × 29,507,966.52
  4. Step 4: Simplify right side
    78,031,186.98x = 3,454,297,452,254,855.50
  5. Step 5: Solve for x
    x = 3,454,297,452,254,855.50/78,031,186.98
  6. Step 6: Final answer
    x = 44,268,164.90

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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.