Home / 119,582,380.32-165,023,683.20-64,578,235.20

Finding the Fourth Proportional to 119,582,380.32, 165,023,683.20 and 64,578,235.20

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Solution

The fourth proportional to 119,582,380.32, 165,023,683.20 and 64,578,235.20 is: 89,117,963.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,582,380.32 : 165,023,683.20 = 64,578,235.20 : x
  2. Step 2: Convert to fraction form
    119,582,380.32/165,023,683.20 = 64,578,235.20/x
  3. Step 3: Cross multiply
    119,582,380.32x = 165,023,683.20 × 64,578,235.20
  4. Step 4: Simplify right side
    119,582,380.32x = 10,656,938,227,259,888
  5. Step 5: Solve for x
    x = 10,656,938,227,259,888/119,582,380.32
  6. Step 6: Final answer
    x = 89,117,963.69

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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.