Home / 159,162,721.22-219,642,305.47-89,547,936.03

Finding the Fourth Proportional to 159,162,721.22, 219,642,305.47 and 89,547,936.03

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Solution

The fourth proportional to 159,162,721.22, 219,642,305.47 and 89,547,936.03 is: 123,574,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,162,721.22 : 219,642,305.47 = 89,547,936.03 : x
  2. Step 2: Convert to fraction form
    159,162,721.22/219,642,305.47 = 89,547,936.03/x
  3. Step 3: Cross multiply
    159,162,721.22x = 219,642,305.47 × 89,547,936.03
  4. Step 4: Simplify right side
    159,162,721.22x = 19,668,515,119,485,408
  5. Step 5: Solve for x
    x = 19,668,515,119,485,408/159,162,721.22
  6. Step 6: Final answer
    x = 123,574,885.93

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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.