Home / 124,272,003.10-186,408,004.65-83,662,620.70

Finding the Fourth Proportional to 124,272,003.10, 186,408,004.65 and 83,662,620.70

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Solution

The fourth proportional to 124,272,003.10, 186,408,004.65 and 83,662,620.70 is: 125,493,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,272,003.10 : 186,408,004.65 = 83,662,620.70 : x
  2. Step 2: Convert to fraction form
    124,272,003.10/186,408,004.65 = 83,662,620.70/x
  3. Step 3: Cross multiply
    124,272,003.10x = 186,408,004.65 × 83,662,620.70
  4. Step 4: Simplify right side
    124,272,003.10x = 15,595,382,188,476,788
  5. Step 5: Solve for x
    x = 15,595,382,188,476,788/124,272,003.10
  6. Step 6: Final answer
    x = 125,493,931.05

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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.