Home / 51,293,017.55-70,782,238.45-28,087,744.70

Finding the Fourth Proportional to 51,293,017.55, 70,782,238.45 and 28,087,744.70

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Solution

The fourth proportional to 51,293,017.55, 70,782,238.45 and 28,087,744.70 is: 38,759,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,293,017.55 : 70,782,238.45 = 28,087,744.70 : x
  2. Step 2: Convert to fraction form
    51,293,017.55/70,782,238.45 = 28,087,744.70/x
  3. Step 3: Cross multiply
    51,293,017.55x = 70,782,238.45 × 28,087,744.70
  4. Step 4: Simplify right side
    51,293,017.55x = 1,988,113,442,878,123.75
  5. Step 5: Solve for x
    x = 1,988,113,442,878,123.75/51,293,017.55
  6. Step 6: Final answer
    x = 38,759,923.63

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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.