Home / 72,582,034.20-108,873,051.30-64,078,978.20

Finding the Fourth Proportional to 72,582,034.20, 108,873,051.30 and 64,078,978.20

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Solution

The fourth proportional to 72,582,034.20, 108,873,051.30 and 64,078,978.20 is: 96,118,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,582,034.20 : 108,873,051.30 = 64,078,978.20 : x
  2. Step 2: Convert to fraction form
    72,582,034.20/108,873,051.30 = 64,078,978.20/x
  3. Step 3: Cross multiply
    72,582,034.20x = 108,873,051.30 × 64,078,978.20
  4. Step 4: Simplify right side
    72,582,034.20x = 6,976,473,880,820,182
  5. Step 5: Solve for x
    x = 6,976,473,880,820,182/72,582,034.20
  6. Step 6: Final answer
    x = 96,118,467.30

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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.