Home / 55,416,959.74-76,472,117.64-30,635,668.74

Finding the Fourth Proportional to 55,416,959.74, 76,472,117.64 and 30,635,668.74

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Solution

The fourth proportional to 55,416,959.74, 76,472,117.64 and 30,635,668.74 is: 42,275,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,416,959.74 : 76,472,117.64 = 30,635,668.74 : x
  2. Step 2: Convert to fraction form
    55,416,959.74/76,472,117.64 = 30,635,668.74/x
  3. Step 3: Cross multiply
    55,416,959.74x = 76,472,117.64 × 30,635,668.74
  4. Step 4: Simplify right side
    55,416,959.74x = 2,342,774,463,865,350.50
  5. Step 5: Solve for x
    x = 2,342,774,463,865,350.50/55,416,959.74
  6. Step 6: Final answer
    x = 42,275,405.85

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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.