Home / 49,686,648.40-74,485,649.40-19,387,464.40

Finding the Fourth Proportional to 49,686,648.40, 74,485,649.40 and 19,387,464.40

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Solution

The fourth proportional to 49,686,648.40, 74,485,649.40 and 19,387,464.40 is: 29,063,901.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,686,648.40 : 74,485,649.40 = 19,387,464.40 : x
  2. Step 2: Convert to fraction form
    49,686,648.40/74,485,649.40 = 19,387,464.40/x
  3. Step 3: Cross multiply
    49,686,648.40x = 74,485,649.40 × 19,387,464.40
  4. Step 4: Simplify right side
    49,686,648.40x = 1,444,087,876,053,381.25
  5. Step 5: Solve for x
    x = 1,444,087,876,053,381.25/49,686,648.40
  6. Step 6: Final answer
    x = 29,063,901.92

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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.