Home / 147,072,187.80-220,608,281.70-39,366,811.80

Finding the Fourth Proportional to 147,072,187.80, 220,608,281.70 and 39,366,811.80

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Solution

The fourth proportional to 147,072,187.80, 220,608,281.70 and 39,366,811.80 is: 59,050,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,072,187.80 : 220,608,281.70 = 39,366,811.80 : x
  2. Step 2: Convert to fraction form
    147,072,187.80/220,608,281.70 = 39,366,811.80/x
  3. Step 3: Cross multiply
    147,072,187.80x = 220,608,281.70 × 39,366,811.80
  4. Step 4: Simplify right side
    147,072,187.80x = 8,684,644,707,205,283
  5. Step 5: Solve for x
    x = 8,684,644,707,205,283/147,072,187.80
  6. Step 6: Final answer
    x = 59,050,217.70

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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.