Home / 161,145,143.40-241,717,715.10-139,226,154.60

Finding the Fourth Proportional to 161,145,143.40, 241,717,715.10 and 139,226,154.60

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Solution

The fourth proportional to 161,145,143.40, 241,717,715.10 and 139,226,154.60 is: 208,839,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,145,143.40 : 241,717,715.10 = 139,226,154.60 : x
  2. Step 2: Convert to fraction form
    161,145,143.40/241,717,715.10 = 139,226,154.60/x
  3. Step 3: Cross multiply
    161,145,143.40x = 241,717,715.10 × 139,226,154.60
  4. Step 4: Simplify right side
    161,145,143.40x = 33,653,427,972,071,352
  5. Step 5: Solve for x
    x = 33,653,427,972,071,352/161,145,143.40
  6. Step 6: Final answer
    x = 208,839,231.90

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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.