Home / 375,210,137.56-517,790,038.92-207,957,196.70

Finding the Fourth Proportional to 375,210,137.56, 517,790,038.92 and 207,957,196.70

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Solution

The fourth proportional to 375,210,137.56, 517,790,038.92 and 207,957,196.70 is: 286,980,958.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,210,137.56 : 517,790,038.92 = 207,957,196.70 : x
  2. Step 2: Convert to fraction form
    375,210,137.56/517,790,038.92 = 207,957,196.70/x
  3. Step 3: Cross multiply
    375,210,137.56x = 517,790,038.92 × 207,957,196.70
  4. Step 4: Simplify right side
    375,210,137.56x = 107,678,164,970,467,488
  5. Step 5: Solve for x
    x = 107,678,164,970,467,488/375,210,137.56
  6. Step 6: Final answer
    x = 286,980,958.64

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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.