Home / 118,206,602.20-177,309,903.30-72,856,970.20

Finding the Fourth Proportional to 118,206,602.20, 177,309,903.30 and 72,856,970.20

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Solution

The fourth proportional to 118,206,602.20, 177,309,903.30 and 72,856,970.20 is: 109,285,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,206,602.20 : 177,309,903.30 = 72,856,970.20 : x
  2. Step 2: Convert to fraction form
    118,206,602.20/177,309,903.30 = 72,856,970.20/x
  3. Step 3: Cross multiply
    118,206,602.20x = 177,309,903.30 × 72,856,970.20
  4. Step 4: Simplify right side
    118,206,602.20x = 12,918,262,340,892,984
  5. Step 5: Solve for x
    x = 12,918,262,340,892,984/118,206,602.20
  6. Step 6: Final answer
    x = 109,285,455.30

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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.