Home / 117,731,310.47-162,467,621.51-65,520,332.29

Finding the Fourth Proportional to 117,731,310.47, 162,467,621.51 and 65,520,332.29

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Solution

The fourth proportional to 117,731,310.47, 162,467,621.51 and 65,520,332.29 is: 90,417,175.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,731,310.47 : 162,467,621.51 = 65,520,332.29 : x
  2. Step 2: Convert to fraction form
    117,731,310.47/162,467,621.51 = 65,520,332.29/x
  3. Step 3: Cross multiply
    117,731,310.47x = 162,467,621.51 × 65,520,332.29
  4. Step 4: Simplify right side
    117,731,310.47x = 10,644,932,547,576,634
  5. Step 5: Solve for x
    x = 10,644,932,547,576,634/117,731,310.47
  6. Step 6: Final answer
    x = 90,417,175.39

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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.