Home / 70,134,067.53-96,776,629.79-38,767,879.17

Finding the Fourth Proportional to 70,134,067.53, 96,776,629.79 and 38,767,879.17

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Solution

The fourth proportional to 70,134,067.53, 96,776,629.79 and 38,767,879.17 is: 53,495,039.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,134,067.53 : 96,776,629.79 = 38,767,879.17 : x
  2. Step 2: Convert to fraction form
    70,134,067.53/96,776,629.79 = 38,767,879.17/x
  3. Step 3: Cross multiply
    70,134,067.53x = 96,776,629.79 × 38,767,879.17
  4. Step 4: Simplify right side
    70,134,067.53x = 3,751,824,689,791,579
  5. Step 5: Solve for x
    x = 3,751,824,689,791,579/70,134,067.53
  6. Step 6: Final answer
    x = 53,495,039.18

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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.