Home / 113,040,807.40-169,561,211.10-84,342,993.40

Finding the Fourth Proportional to 113,040,807.40, 169,561,211.10 and 84,342,993.40

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Solution

The fourth proportional to 113,040,807.40, 169,561,211.10 and 84,342,993.40 is: 126,514,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,040,807.40 : 169,561,211.10 = 84,342,993.40 : x
  2. Step 2: Convert to fraction form
    113,040,807.40/169,561,211.10 = 84,342,993.40/x
  3. Step 3: Cross multiply
    113,040,807.40x = 169,561,211.10 × 84,342,993.40
  4. Step 4: Simplify right side
    113,040,807.40x = 14,301,300,108,703,308
  5. Step 5: Solve for x
    x = 14,301,300,108,703,308/113,040,807.40
  6. Step 6: Final answer
    x = 126,514,490.10

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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.