Home / 51,312,471.48-70,811,226.54-28,108,434.36

Finding the Fourth Proportional to 51,312,471.48, 70,811,226.54 and 28,108,434.36

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Solution

The fourth proportional to 51,312,471.48, 70,811,226.54 and 28,108,434.36 is: 38,789,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,312,471.48 : 70,811,226.54 = 28,108,434.36 : x
  2. Step 2: Convert to fraction form
    51,312,471.48/70,811,226.54 = 28,108,434.36/x
  3. Step 3: Cross multiply
    51,312,471.48x = 70,811,226.54 × 28,108,434.36
  4. Step 4: Simplify right side
    51,312,471.48x = 1,990,392,713,150,680
  5. Step 5: Solve for x
    x = 1,990,392,713,150,680/51,312,471.48
  6. Step 6: Final answer
    x = 38,789,648.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.