Home / 141,871,568.67-212,634,822.51-100,384,397.82

Finding the Fourth Proportional to 141,871,568.67, 212,634,822.51 and 100,384,397.82

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Solution

The fourth proportional to 141,871,568.67, 212,634,822.51 and 100,384,397.82 is: 150,454,518.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,871,568.67 : 212,634,822.51 = 100,384,397.82 : x
  2. Step 2: Convert to fraction form
    141,871,568.67/212,634,822.51 = 100,384,397.82/x
  3. Step 3: Cross multiply
    141,871,568.67x = 212,634,822.51 × 100,384,397.82
  4. Step 4: Simplify right side
    141,871,568.67x = 21,345,218,613,228,928
  5. Step 5: Solve for x
    x = 21,345,218,613,228,928/141,871,568.67
  6. Step 6: Final answer
    x = 150,454,518.92

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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.