Home / 70,053,760.71-105,081,015.15-45,945,354.87

Finding the Fourth Proportional to 70,053,760.71, 105,081,015.15 and 45,945,354.87

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Solution

The fourth proportional to 70,053,760.71, 105,081,015.15 and 45,945,354.87 is: 68,918,277.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,053,760.71 : 105,081,015.15 = 45,945,354.87 : x
  2. Step 2: Convert to fraction form
    70,053,760.71/105,081,015.15 = 45,945,354.87/x
  3. Step 3: Cross multiply
    70,053,760.71x = 105,081,015.15 × 45,945,354.87
  4. Step 4: Simplify right side
    70,053,760.71x = 4,827,984,531,166,596
  5. Step 5: Solve for x
    x = 4,827,984,531,166,596/70,053,760.71
  6. Step 6: Final answer
    x = 68,918,277.65

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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.