Home / 55,007,681-75,912,961.80-30,561,395

Finding the Fourth Proportional to 55,007,681, 75,912,961.80 and 30,561,395

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Solution

The fourth proportional to 55,007,681, 75,912,961.80 and 30,561,395 is: 42,176,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007,681 : 75,912,961.80 = 30,561,395 : x
  2. Step 2: Convert to fraction form
    55,007,681/75,912,961.80 = 30,561,395/x
  3. Step 3: Cross multiply
    55,007,681x = 75,912,961.80 × 30,561,395
  4. Step 4: Simplify right side
    55,007,681x = 2,320,006,011,189,711
  5. Step 5: Solve for x
    x = 2,320,006,011,189,711/55,007,681
  6. Step 6: Final answer
    x = 42,176,037.40

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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.