Home / 76,289,983.28-105,280,697.40-41,483,052.08

Finding the Fourth Proportional to 76,289,983.28, 105,280,697.40 and 41,483,052.08

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Solution

The fourth proportional to 76,289,983.28, 105,280,697.40 and 41,483,052.08 is: 57,246,894.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,289,983.28 : 105,280,697.40 = 41,483,052.08 : x
  2. Step 2: Convert to fraction form
    76,289,983.28/105,280,697.40 = 41,483,052.08/x
  3. Step 3: Cross multiply
    76,289,983.28x = 105,280,697.40 × 41,483,052.08
  4. Step 4: Simplify right side
    76,289,983.28x = 4,367,364,653,262,920.50
  5. Step 5: Solve for x
    x = 4,367,364,653,262,920.50/76,289,983.28
  6. Step 6: Final answer
    x = 57,246,894.88

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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.