Home / 78,221,352,392.01-107,948,073,648.92-43,933,101,307.29

Finding the Fourth Proportional to 78,221,352,392.01, 107,948,073,648.92 and 43,933,101,307.29

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Solution

The fourth proportional to 78,221,352,392.01, 107,948,073,648.92 and 43,933,101,307.29 is: 60,629,144,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,221,352,392.01 : 107,948,073,648.92 = 43,933,101,307.29 : x
  2. Step 2: Convert to fraction form
    78,221,352,392.01/107,948,073,648.92 = 43,933,101,307.29/x
  3. Step 3: Cross multiply
    78,221,352,392.01x = 107,948,073,648.92 × 43,933,101,307.29
  4. Step 4: Simplify right side
    78,221,352,392.01x = 4,742,493,655,544,804,409,344
  5. Step 5: Solve for x
    x = 4,742,493,655,544,804,409,344/78,221,352,392.01
  6. Step 6: Final answer
    x = 60,629,144,223.66

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1.5x scale

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.