Home / 72,605,927.22-100,194,894.45-39,566,472.18

Finding the Fourth Proportional to 72,605,927.22, 100,194,894.45 and 39,566,472.18

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Solution

The fourth proportional to 72,605,927.22, 100,194,894.45 and 39,566,472.18 is: 54,601,031.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,605,927.22 : 100,194,894.45 = 39,566,472.18 : x
  2. Step 2: Convert to fraction form
    72,605,927.22/100,194,894.45 = 39,566,472.18/x
  3. Step 3: Cross multiply
    72,605,927.22x = 100,194,894.45 × 39,566,472.18
  4. Step 4: Simplify right side
    72,605,927.22x = 3,964,358,503,833,961.50
  5. Step 5: Solve for x
    x = 3,964,358,503,833,961.50/72,605,927.22
  6. Step 6: Final answer
    x = 54,601,031.29

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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.