Home / 73,024,689.12-100,780,831.44-40,429,641.12

Finding the Fourth Proportional to 73,024,689.12, 100,780,831.44 and 40,429,641.12

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Solution

The fourth proportional to 73,024,689.12, 100,780,831.44 and 40,429,641.12 is: 55,796,647.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,024,689.12 : 100,780,831.44 = 40,429,641.12 : x
  2. Step 2: Convert to fraction form
    73,024,689.12/100,780,831.44 = 40,429,641.12/x
  3. Step 3: Cross multiply
    73,024,689.12x = 100,780,831.44 × 40,429,641.12
  4. Step 4: Simplify right side
    73,024,689.12x = 4,074,532,846,894,412.50
  5. Step 5: Solve for x
    x = 4,074,532,846,894,412.50/73,024,689.12
  6. Step 6: Final answer
    x = 55,796,647.63

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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.