Home / 119,582,579.90-165,023,959.83-64,578,432.62

Finding the Fourth Proportional to 119,582,579.90, 165,023,959.83 and 64,578,432.62

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Solution

The fourth proportional to 119,582,579.90, 165,023,959.83 and 64,578,432.62 is: 89,118,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,582,579.90 : 165,023,959.83 = 64,578,432.62 : x
  2. Step 2: Convert to fraction form
    119,582,579.90/165,023,959.83 = 64,578,432.62/x
  3. Step 3: Cross multiply
    119,582,579.90x = 165,023,959.83 × 64,578,432.62
  4. Step 4: Simplify right side
    119,582,579.90x = 10,656,988,670,567,242
  5. Step 5: Solve for x
    x = 10,656,988,670,567,242/119,582,579.90
  6. Step 6: Final answer
    x = 89,118,236.78

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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.