Home / 82,005,710.50-113,170,242.45-45,338,643.46

Finding the Fourth Proportional to 82,005,710.50, 113,170,242.45 and 45,338,643.46

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Solution

The fourth proportional to 82,005,710.50, 113,170,242.45 and 45,338,643.46 is: 62,568,633.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,005,710.50 : 113,170,242.45 = 45,338,643.46 : x
  2. Step 2: Convert to fraction form
    82,005,710.50/113,170,242.45 = 45,338,643.46/x
  3. Step 3: Cross multiply
    82,005,710.50x = 113,170,242.45 × 45,338,643.46
  4. Step 4: Simplify right side
    82,005,710.50x = 5,130,985,272,722,307
  5. Step 5: Solve for x
    x = 5,130,985,272,722,307/82,005,710.50
  6. Step 6: Final answer
    x = 62,568,633.84

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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.