Home / 158,077,253.91-218,169,428.60-91,083,381.14

Finding the Fourth Proportional to 158,077,253.91, 218,169,428.60 and 91,083,381.14

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Solution

The fourth proportional to 158,077,253.91, 218,169,428.60 and 91,083,381.14 is: 125,708,213.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,077,253.91 : 218,169,428.60 = 91,083,381.14 : x
  2. Step 2: Convert to fraction form
    158,077,253.91/218,169,428.60 = 91,083,381.14/x
  3. Step 3: Cross multiply
    158,077,253.91x = 218,169,428.60 × 91,083,381.14
  4. Step 4: Simplify right side
    158,077,253.91x = 19,871,609,217,849,280
  5. Step 5: Solve for x
    x = 19,871,609,217,849,280/158,077,253.91
  6. Step 6: Final answer
    x = 125,708,213.71

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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.