Home / 51,011,320.80-70,395,049.71-27,805,938.60

Finding the Fourth Proportional to 51,011,320.80, 70,395,049.71 and 27,805,938.60

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Solution

The fourth proportional to 51,011,320.80, 70,395,049.71 and 27,805,938.60 is: 38,371,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,011,320.80 : 70,395,049.71 = 27,805,938.60 : x
  2. Step 2: Convert to fraction form
    51,011,320.80/70,395,049.71 = 27,805,938.60/x
  3. Step 3: Cross multiply
    51,011,320.80x = 70,395,049.71 × 27,805,938.60
  4. Step 4: Simplify right side
    51,011,320.80x = 1,957,400,429,980,207.75
  5. Step 5: Solve for x
    x = 1,957,400,429,980,207.75/51,011,320.80
  6. Step 6: Final answer
    x = 38,371,882.93

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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.