Home / 119,582,381.32-165,023,684.58-64,578,236.20

Finding the Fourth Proportional to 119,582,381.32, 165,023,684.58 and 64,578,236.20

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Solution

The fourth proportional to 119,582,381.32, 165,023,684.58 and 64,578,236.20 is: 89,117,965.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,582,381.32 : 165,023,684.58 = 64,578,236.20 : x
  2. Step 2: Convert to fraction form
    119,582,381.32/165,023,684.58 = 64,578,236.20/x
  3. Step 3: Cross multiply
    119,582,381.32x = 165,023,684.58 × 64,578,236.20
  4. Step 4: Simplify right side
    119,582,381.32x = 10,656,938,481,401,540
  5. Step 5: Solve for x
    x = 10,656,938,481,401,540/119,582,381.32
  6. Step 6: Final answer
    x = 89,117,965.07

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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.