Home / 72,582,842.85-108,908,314.16-36,194,070.88

Finding the Fourth Proportional to 72,582,842.85, 108,908,314.16 and 36,194,070.88

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Solution

The fourth proportional to 72,582,842.85, 108,908,314.16 and 36,194,070.88 is: 54,308,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,582,842.85 : 108,908,314.16 = 36,194,070.88 : x
  2. Step 2: Convert to fraction form
    72,582,842.85/108,908,314.16 = 36,194,070.88/x
  3. Step 3: Cross multiply
    72,582,842.85x = 108,908,314.16 × 36,194,070.88
  4. Step 4: Simplify right side
    72,582,842.85x = 3,941,835,242,388,629
  5. Step 5: Solve for x
    x = 3,941,835,242,388,629/72,582,842.85
  6. Step 6: Final answer
    x = 54,308,085.59

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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.