Home / 130,859,934.76-180,593,811.64-75,104,909.40

Finding the Fourth Proportional to 130,859,934.76, 180,593,811.64 and 75,104,909.40

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Solution

The fourth proportional to 130,859,934.76, 180,593,811.64 and 75,104,909.40 is: 103,648,850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,859,934.76 : 180,593,811.64 = 75,104,909.40 : x
  2. Step 2: Convert to fraction form
    130,859,934.76/180,593,811.64 = 75,104,909.40/x
  3. Step 3: Cross multiply
    130,859,934.76x = 180,593,811.64 × 75,104,909.40
  4. Step 4: Simplify right side
    130,859,934.76x = 13,563,481,861,422,866
  5. Step 5: Solve for x
    x = 13,563,481,861,422,866/130,859,934.76
  6. Step 6: Final answer
    x = 103,648,850.86

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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.