Home / 339,718,143.96-509,572,095.12-152,840,112.57

Finding the Fourth Proportional to 339,718,143.96, 509,572,095.12 and 152,840,112.57

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Solution

The fourth proportional to 339,718,143.96, 509,572,095.12 and 152,840,112.57 is: 229,257,864.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,718,143.96 : 509,572,095.12 = 152,840,112.57 : x
  2. Step 2: Convert to fraction form
    339,718,143.96/509,572,095.12 = 152,840,112.57/x
  3. Step 3: Cross multiply
    339,718,143.96x = 509,572,095.12 × 152,840,112.57
  4. Step 4: Simplify right side
    339,718,143.96x = 77,883,056,380,671,552
  5. Step 5: Solve for x
    x = 77,883,056,380,671,552/339,718,143.96
  6. Step 6: Final answer
    x = 229,257,864.98

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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.