Home / 71,303,533-98,400,067.86-38,708,485

Finding the Fourth Proportional to 71,303,533, 98,400,067.86 and 38,708,485

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Solution

The fourth proportional to 71,303,533, 98,400,067.86 and 38,708,485 is: 53,418,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,303,533 : 98,400,067.86 = 38,708,485 : x
  2. Step 2: Convert to fraction form
    71,303,533/98,400,067.86 = 38,708,485/x
  3. Step 3: Cross multiply
    71,303,533x = 98,400,067.86 × 38,708,485
  4. Step 4: Simplify right side
    71,303,533x = 3,808,917,550,757,792
  5. Step 5: Solve for x
    x = 3,808,917,550,757,792/71,303,533
  6. Step 6: Final answer
    x = 53,418,356.57

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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.