Home / 51,931,187.80-77,896,781.70-49,719,693.40

Finding the Fourth Proportional to 51,931,187.80, 77,896,781.70 and 49,719,693.40

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Solution

The fourth proportional to 51,931,187.80, 77,896,781.70 and 49,719,693.40 is: 74,579,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,931,187.80 : 77,896,781.70 = 49,719,693.40 : x
  2. Step 2: Convert to fraction form
    51,931,187.80/77,896,781.70 = 49,719,693.40/x
  3. Step 3: Cross multiply
    51,931,187.80x = 77,896,781.70 × 49,719,693.40
  4. Step 4: Simplify right side
    51,931,187.80x = 3,873,004,102,970,731
  5. Step 5: Solve for x
    x = 3,873,004,102,970,731/51,931,187.80
  6. Step 6: Final answer
    x = 74,579,540.10

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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.