Home / 123,270,243.32-170,115,689.45-70,345,897.29

Finding the Fourth Proportional to 123,270,243.32, 170,115,689.45 and 70,345,897.29

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Solution

The fourth proportional to 123,270,243.32, 170,115,689.45 and 70,345,897.29 is: 97,078,909.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,270,243.32 : 170,115,689.45 = 70,345,897.29 : x
  2. Step 2: Convert to fraction form
    123,270,243.32/170,115,689.45 = 70,345,897.29/x
  3. Step 3: Cross multiply
    123,270,243.32x = 170,115,689.45 × 70,345,897.29
  4. Step 4: Simplify right side
    123,270,243.32x = 11,966,940,817,115,508
  5. Step 5: Solve for x
    x = 11,966,940,817,115,508/123,270,243.32
  6. Step 6: Final answer
    x = 97,078,909.68

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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.