Home / 309,295,251.73-463,636,427.10-145,239,332.02

Finding the Fourth Proportional to 309,295,251.73, 463,636,427.10 and 145,239,332.02

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Solution

The fourth proportional to 309,295,251.73, 463,636,427.10 and 145,239,332.02 is: 217,715,094.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,295,251.73 : 463,636,427.10 = 145,239,332.02 : x
  2. Step 2: Convert to fraction form
    309,295,251.73/463,636,427.10 = 145,239,332.02/x
  3. Step 3: Cross multiply
    309,295,251.73x = 463,636,427.10 × 145,239,332.02
  4. Step 4: Simplify right side
    309,295,251.73x = 67,338,244,972,143,432
  5. Step 5: Solve for x
    x = 67,338,244,972,143,432/309,295,251.73
  6. Step 6: Final answer
    x = 217,715,094.54

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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.