Home / 38,862,690.90-58,256,711.55-30,221,999.70

Finding the Fourth Proportional to 38,862,690.90, 58,256,711.55 and 30,221,999.70

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Solution

The fourth proportional to 38,862,690.90, 58,256,711.55 and 30,221,999.70 is: 45,303,973.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,862,690.90 : 58,256,711.55 = 30,221,999.70 : x
  2. Step 2: Convert to fraction form
    38,862,690.90/58,256,711.55 = 30,221,999.70/x
  3. Step 3: Cross multiply
    38,862,690.90x = 58,256,711.55 × 30,221,999.70
  4. Step 4: Simplify right side
    38,862,690.90x = 1,760,634,318,987,086.50
  5. Step 5: Solve for x
    x = 1,760,634,318,987,086.50/38,862,690.90
  6. Step 6: Final answer
    x = 45,303,973.51

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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.