Home / 375,210,155.21-517,790,063.32-207,957,214.42

Finding the Fourth Proportional to 375,210,155.21, 517,790,063.32 and 207,957,214.42

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Solution

The fourth proportional to 375,210,155.21, 517,790,063.32 and 207,957,214.42 is: 286,980,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,210,155.21 : 517,790,063.32 = 207,957,214.42 : x
  2. Step 2: Convert to fraction form
    375,210,155.21/517,790,063.32 = 207,957,214.42/x
  3. Step 3: Cross multiply
    375,210,155.21x = 517,790,063.32 × 207,957,214.42
  4. Step 4: Simplify right side
    375,210,155.21x = 107,678,179,220,568,240
  5. Step 5: Solve for x
    x = 107,678,179,220,568,240/375,210,155.21
  6. Step 6: Final answer
    x = 286,980,983.13

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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.