Home / 112,499,955.69-168,413,721.96-68,049,721.36

Finding the Fourth Proportional to 112,499,955.69, 168,413,721.96 and 68,049,721.36

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Solution

The fourth proportional to 112,499,955.69, 168,413,721.96 and 68,049,721.36 is: 101,871,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,499,955.69 : 168,413,721.96 = 68,049,721.36 : x
  2. Step 2: Convert to fraction form
    112,499,955.69/168,413,721.96 = 68,049,721.36/x
  3. Step 3: Cross multiply
    112,499,955.69x = 168,413,721.96 × 68,049,721.36
  4. Step 4: Simplify right side
    112,499,955.69x = 11,460,506,853,044,216
  5. Step 5: Solve for x
    x = 11,460,506,853,044,216/112,499,955.69
  6. Step 6: Final answer
    x = 101,871,212.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.