Home / 57,039,385.52-78,713,816.28-30,934,479.44

Finding the Fourth Proportional to 57,039,385.52, 78,713,816.28 and 30,934,479.44

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Solution

The fourth proportional to 57,039,385.52, 78,713,816.28 and 30,934,479.44 is: 42,689,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,039,385.52 : 78,713,816.28 = 30,934,479.44 : x
  2. Step 2: Convert to fraction form
    57,039,385.52/78,713,816.28 = 30,934,479.44/x
  3. Step 3: Cross multiply
    57,039,385.52x = 78,713,816.28 × 30,934,479.44
  4. Step 4: Simplify right side
    57,039,385.52x = 2,434,970,931,357,597.50
  5. Step 5: Solve for x
    x = 2,434,970,931,357,597.50/57,039,385.52
  6. Step 6: Final answer
    x = 42,689,291.08

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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.