Home / 70,618,655.10-105,927,982.65-36,550,443.90

Finding the Fourth Proportional to 70,618,655.10, 105,927,982.65 and 36,550,443.90

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Solution

The fourth proportional to 70,618,655.10, 105,927,982.65 and 36,550,443.90 is: 54,825,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,618,655.10 : 105,927,982.65 = 36,550,443.90 : x
  2. Step 2: Convert to fraction form
    70,618,655.10/105,927,982.65 = 36,550,443.90/x
  3. Step 3: Cross multiply
    70,618,655.10x = 105,927,982.65 × 36,550,443.90
  4. Step 4: Simplify right side
    70,618,655.10x = 3,871,714,787,288,998.50
  5. Step 5: Solve for x
    x = 3,871,714,787,288,998.50/70,618,655.10
  6. Step 6: Final answer
    x = 54,825,665.85

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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.