Home / 131,134,516.67-181,047,302.89-83,476,661.36

Finding the Fourth Proportional to 131,134,516.67, 181,047,302.89 and 83,476,661.36

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Solution

The fourth proportional to 131,134,516.67, 181,047,302.89 and 83,476,661.36 is: 115,249,781.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,134,516.67 : 181,047,302.89 = 83,476,661.36 : x
  2. Step 2: Convert to fraction form
    131,134,516.67/181,047,302.89 = 83,476,661.36/x
  3. Step 3: Cross multiply
    131,134,516.67x = 181,047,302.89 × 83,476,661.36
  4. Step 4: Simplify right side
    131,134,516.67x = 15,113,224,392,375,950
  5. Step 5: Solve for x
    x = 15,113,224,392,375,950/131,134,516.67
  6. Step 6: Final answer
    x = 115,249,781.49

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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.