Home / 57,039,315.52-78,713,719.68-30,934,409.44

Finding the Fourth Proportional to 57,039,315.52, 78,713,719.68 and 30,934,409.44

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Solution

The fourth proportional to 57,039,315.52, 78,713,719.68 and 30,934,409.44 is: 42,689,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,039,315.52 : 78,713,719.68 = 30,934,409.44 : x
  2. Step 2: Convert to fraction form
    57,039,315.52/78,713,719.68 = 30,934,409.44/x
  3. Step 3: Cross multiply
    57,039,315.52x = 78,713,719.68 × 30,934,409.44
  4. Step 4: Simplify right side
    57,039,315.52x = 2,434,962,433,126,506
  5. Step 5: Solve for x
    x = 2,434,962,433,126,506/57,039,315.52
  6. Step 6: Final answer
    x = 42,689,194.48

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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.