Home / 56,145,430.80-77,438,031.48-48,317,961.24

Finding the Fourth Proportional to 56,145,430.80, 77,438,031.48 and 48,317,961.24

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Solution

The fourth proportional to 56,145,430.80, 77,438,031.48 and 48,317,961.24 is: 66,642,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,145,430.80 : 77,438,031.48 = 48,317,961.24 : x
  2. Step 2: Convert to fraction form
    56,145,430.80/77,438,031.48 = 48,317,961.24/x
  3. Step 3: Cross multiply
    56,145,430.80x = 77,438,031.48 × 48,317,961.24
  4. Step 4: Simplify right side
    56,145,430.80x = 3,741,647,803,552,540
  5. Step 5: Solve for x
    x = 3,741,647,803,552,540/56,145,430.80
  6. Step 6: Final answer
    x = 66,642,071.32

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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.