Home / 161,607,322-242,445,028.29-52,423,967.80

Finding the Fourth Proportional to 161,607,322, 242,445,028.29 and 52,423,967.80

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Solution

The fourth proportional to 161,607,322, 242,445,028.29 and 52,423,967.80 is: 78,646,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,607,322 : 242,445,028.29 = 52,423,967.80 : x
  2. Step 2: Convert to fraction form
    161,607,322/242,445,028.29 = 52,423,967.80/x
  3. Step 3: Cross multiply
    161,607,322x = 242,445,028.29 × 52,423,967.80
  4. Step 4: Simplify right side
    161,607,322x = 12,709,930,356,345,048
  5. Step 5: Solve for x
    x = 12,709,930,356,345,048/161,607,322
  6. Step 6: Final answer
    x = 78,646,995.69

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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.