Home / 48,386,574.80-72,579,862.20-27,979,240.40

Finding the Fourth Proportional to 48,386,574.80, 72,579,862.20 and 27,979,240.40

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Solution

The fourth proportional to 48,386,574.80, 72,579,862.20 and 27,979,240.40 is: 41,968,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386,574.80 : 72,579,862.20 = 27,979,240.40 : x
  2. Step 2: Convert to fraction form
    48,386,574.80/72,579,862.20 = 27,979,240.40/x
  3. Step 3: Cross multiply
    48,386,574.80x = 72,579,862.20 × 27,979,240.40
  4. Step 4: Simplify right side
    48,386,574.80x = 2,030,729,412,692,672.75
  5. Step 5: Solve for x
    x = 2,030,729,412,692,672.75/48,386,574.80
  6. Step 6: Final answer
    x = 41,968,860.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.