Home / 79,214,869.20-118,822,303.80-76,345,087.80

Finding the Fourth Proportional to 79,214,869.20, 118,822,303.80 and 76,345,087.80

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Solution

The fourth proportional to 79,214,869.20, 118,822,303.80 and 76,345,087.80 is: 114,517,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,214,869.20 : 118,822,303.80 = 76,345,087.80 : x
  2. Step 2: Convert to fraction form
    79,214,869.20/118,822,303.80 = 76,345,087.80/x
  3. Step 3: Cross multiply
    79,214,869.20x = 118,822,303.80 × 76,345,087.80
  4. Step 4: Simplify right side
    79,214,869.20x = 9,071,499,216,209,274
  5. Step 5: Solve for x
    x = 9,071,499,216,209,274/79,214,869.20
  6. Step 6: Final answer
    x = 114,517,631.70

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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.