Home / 75,169,941.64-103,749,067.56-49,019,058.76

Finding the Fourth Proportional to 75,169,941.64, 103,749,067.56 and 49,019,058.76

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Solution

The fourth proportional to 75,169,941.64, 103,749,067.56 and 49,019,058.76 is: 67,655,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,169,941.64 : 103,749,067.56 = 49,019,058.76 : x
  2. Step 2: Convert to fraction form
    75,169,941.64/103,749,067.56 = 49,019,058.76/x
  3. Step 3: Cross multiply
    75,169,941.64x = 103,749,067.56 × 49,019,058.76
  4. Step 4: Simplify right side
    75,169,941.64x = 5,085,681,639,018,850
  5. Step 5: Solve for x
    x = 5,085,681,639,018,850/75,169,941.64
  6. Step 6: Final answer
    x = 67,655,788.05

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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.