Home / 169,138,800.70-253,708,201.05-83,045,358.70

Finding the Fourth Proportional to 169,138,800.70, 253,708,201.05 and 83,045,358.70

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Solution

The fourth proportional to 169,138,800.70, 253,708,201.05 and 83,045,358.70 is: 124,568,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,138,800.70 : 253,708,201.05 = 83,045,358.70 : x
  2. Step 2: Convert to fraction form
    169,138,800.70/253,708,201.05 = 83,045,358.70/x
  3. Step 3: Cross multiply
    169,138,800.70x = 253,708,201.05 × 83,045,358.70
  4. Step 4: Simplify right side
    169,138,800.70x = 21,069,288,561,328,968
  5. Step 5: Solve for x
    x = 21,069,288,561,328,968/169,138,800.70
  6. Step 6: Final answer
    x = 124,568,038.05

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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.