Home / 139,509,392.94-209,072,770.62-88,300,000.62

Finding the Fourth Proportional to 139,509,392.94, 209,072,770.62 and 88,300,000.62

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Solution

The fourth proportional to 139,509,392.94, 209,072,770.62 and 88,300,000.62 is: 132,328,909.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,509,392.94 : 209,072,770.62 = 88,300,000.62 : x
  2. Step 2: Convert to fraction form
    139,509,392.94/209,072,770.62 = 88,300,000.62/x
  3. Step 3: Cross multiply
    139,509,392.94x = 209,072,770.62 × 88,300,000.62
  4. Step 4: Simplify right side
    139,509,392.94x = 18,461,125,775,371,120
  5. Step 5: Solve for x
    x = 18,461,125,775,371,120/139,509,392.94
  6. Step 6: Final answer
    x = 132,328,909.09

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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.