Home / 55,690,306.59-76,851,465.06-30,909,039.69

Finding the Fourth Proportional to 55,690,306.59, 76,851,465.06 and 30,909,039.69

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Solution

The fourth proportional to 55,690,306.59, 76,851,465.06 and 30,909,039.69 is: 42,653,832.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,690,306.59 : 76,851,465.06 = 30,909,039.69 : x
  2. Step 2: Convert to fraction form
    55,690,306.59/76,851,465.06 = 30,909,039.69/x
  3. Step 3: Cross multiply
    55,690,306.59x = 76,851,465.06 × 30,909,039.69
  4. Step 4: Simplify right side
    55,690,306.59x = 2,375,404,983,774,188.50
  5. Step 5: Solve for x
    x = 2,375,404,983,774,188.50/55,690,306.59
  6. Step 6: Final answer
    x = 42,653,832.04

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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.