Home / 51,351,721.10-70,872,641.82-31,778,913.08

Finding the Fourth Proportional to 51,351,721.10, 70,872,641.82 and 31,778,913.08

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Solution

The fourth proportional to 51,351,721.10, 70,872,641.82 and 31,778,913.08 is: 43,859,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,351,721.10 : 70,872,641.82 = 31,778,913.08 : x
  2. Step 2: Convert to fraction form
    51,351,721.10/70,872,641.82 = 31,778,913.08/x
  3. Step 3: Cross multiply
    51,351,721.10x = 70,872,641.82 × 31,778,913.08
  4. Step 4: Simplify right side
    51,351,721.10x = 2,252,255,524,147,752.50
  5. Step 5: Solve for x
    x = 2,252,255,524,147,752.50/51,351,721.10
  6. Step 6: Final answer
    x = 43,859,397.03

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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.