Home / 56,023,668.28-77,312,736.12-30,905,211.16

Finding the Fourth Proportional to 56,023,668.28, 77,312,736.12 and 30,905,211.16

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Solution

The fourth proportional to 56,023,668.28, 77,312,736.12 and 30,905,211.16 is: 42,649,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,023,668.28 : 77,312,736.12 = 30,905,211.16 : x
  2. Step 2: Convert to fraction form
    56,023,668.28/77,312,736.12 = 30,905,211.16/x
  3. Step 3: Cross multiply
    56,023,668.28x = 77,312,736.12 × 30,905,211.16
  4. Step 4: Simplify right side
    56,023,668.28x = 2,389,366,435,145,959.50
  5. Step 5: Solve for x
    x = 2,389,366,435,145,959.50/56,023,668.28
  6. Step 6: Final answer
    x = 42,649,232.16

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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.