Home / 121,378,610.70-182,067,916.05-120,528,305.10

Finding the Fourth Proportional to 121,378,610.70, 182,067,916.05 and 120,528,305.10

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Solution

The fourth proportional to 121,378,610.70, 182,067,916.05 and 120,528,305.10 is: 180,792,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,378,610.70 : 182,067,916.05 = 120,528,305.10 : x
  2. Step 2: Convert to fraction form
    121,378,610.70/182,067,916.05 = 120,528,305.10/x
  3. Step 3: Cross multiply
    121,378,610.70x = 182,067,916.05 × 120,528,305.10
  4. Step 4: Simplify right side
    121,378,610.70x = 21,944,337,334,595,588
  5. Step 5: Solve for x
    x = 21,944,337,334,595,588/121,378,610.70
  6. Step 6: Final answer
    x = 180,792,457.65

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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.