Home / 118,095,819.60-177,143,729.40-72,509,797.20

Finding the Fourth Proportional to 118,095,819.60, 177,143,729.40 and 72,509,797.20

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Solution

The fourth proportional to 118,095,819.60, 177,143,729.40 and 72,509,797.20 is: 108,764,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,095,819.60 : 177,143,729.40 = 72,509,797.20 : x
  2. Step 2: Convert to fraction form
    118,095,819.60/177,143,729.40 = 72,509,797.20/x
  3. Step 3: Cross multiply
    118,095,819.60x = 177,143,729.40 × 72,509,797.20
  4. Step 4: Simplify right side
    118,095,819.60x = 12,844,655,894,045,678
  5. Step 5: Solve for x
    x = 12,844,655,894,045,678/118,095,819.60
  6. Step 6: Final answer
    x = 108,764,695.80

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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.