Home / 147,642,965.01-221,256,521.19-112,965,111.18

Finding the Fourth Proportional to 147,642,965.01, 221,256,521.19 and 112,965,111.18

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Solution

The fourth proportional to 147,642,965.01, 221,256,521.19 and 112,965,111.18 is: 169,288,577.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,642,965.01 : 221,256,521.19 = 112,965,111.18 : x
  2. Step 2: Convert to fraction form
    147,642,965.01/221,256,521.19 = 112,965,111.18/x
  3. Step 3: Cross multiply
    147,642,965.01x = 221,256,521.19 × 112,965,111.18
  4. Step 4: Simplify right side
    147,642,965.01x = 24,994,267,515,528,376
  5. Step 5: Solve for x
    x = 24,994,267,515,528,376/147,642,965.01
  6. Step 6: Final answer
    x = 169,288,577.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.