Home / 81,027,157.40-111,817,482.68-44,357,728.40

Finding the Fourth Proportional to 81,027,157.40, 111,817,482.68 and 44,357,728.40

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Solution

The fourth proportional to 81,027,157.40, 111,817,482.68 and 44,357,728.40 is: 61,213,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,027,157.40 : 111,817,482.68 = 44,357,728.40 : x
  2. Step 2: Convert to fraction form
    81,027,157.40/111,817,482.68 = 44,357,728.40/x
  3. Step 3: Cross multiply
    81,027,157.40x = 111,817,482.68 × 44,357,728.40
  4. Step 4: Simplify right side
    81,027,157.40x = 4,959,969,527,091,144
  5. Step 5: Solve for x
    x = 4,959,969,527,091,144/81,027,157.40
  6. Step 6: Final answer
    x = 61,213,668.19

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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.