Home / 119,591,200.80-179,386,801.20-76,331,903.40

Finding the Fourth Proportional to 119,591,200.80, 179,386,801.20 and 76,331,903.40

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Solution

The fourth proportional to 119,591,200.80, 179,386,801.20 and 76,331,903.40 is: 114,497,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,591,200.80 : 179,386,801.20 = 76,331,903.40 : x
  2. Step 2: Convert to fraction form
    119,591,200.80/179,386,801.20 = 76,331,903.40/x
  3. Step 3: Cross multiply
    119,591,200.80x = 179,386,801.20 × 76,331,903.40
  4. Step 4: Simplify right side
    119,591,200.80x = 13,692,935,980,433,404
  5. Step 5: Solve for x
    x = 13,692,935,980,433,404/119,591,200.80
  6. Step 6: Final answer
    x = 114,497,855.10

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1.5x scale

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.