Home / 70,361,278.86-105,555,176.78-26,655,128.16

Finding the Fourth Proportional to 70,361,278.86, 105,555,176.78 and 26,655,128.16

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Solution

The fourth proportional to 70,361,278.86, 105,555,176.78 and 26,655,128.16 is: 39,987,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,361,278.86 : 105,555,176.78 = 26,655,128.16 : x
  2. Step 2: Convert to fraction form
    70,361,278.86/105,555,176.78 = 26,655,128.16/x
  3. Step 3: Cross multiply
    70,361,278.86x = 105,555,176.78 × 26,655,128.16
  4. Step 4: Simplify right side
    70,361,278.86x = 2,813,586,764,643,317
  5. Step 5: Solve for x
    x = 2,813,586,764,643,317/70,361,278.86
  6. Step 6: Final answer
    x = 39,987,714.98

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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.