Home / 158,845,074.94-219,182,320.47-89,217,116.38

Finding the Fourth Proportional to 158,845,074.94, 219,182,320.47 and 89,217,116.38

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Solution

The fourth proportional to 158,845,074.94, 219,182,320.47 and 89,217,116.38 is: 123,106,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,845,074.94 : 219,182,320.47 = 89,217,116.38 : x
  2. Step 2: Convert to fraction form
    158,845,074.94/219,182,320.47 = 89,217,116.38/x
  3. Step 3: Cross multiply
    158,845,074.94x = 219,182,320.47 × 89,217,116.38
  4. Step 4: Simplify right side
    158,845,074.94x = 19,554,814,593,810,444
  5. Step 5: Solve for x
    x = 19,554,814,593,810,444/158,845,074.94
  6. Step 6: Final answer
    x = 123,106,206.48

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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.