Home / 147,072,128.80-220,608,193.20-39,366,752.80

Finding the Fourth Proportional to 147,072,128.80, 220,608,193.20 and 39,366,752.80

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Solution

The fourth proportional to 147,072,128.80, 220,608,193.20 and 39,366,752.80 is: 59,050,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,072,128.80 : 220,608,193.20 = 39,366,752.80 : x
  2. Step 2: Convert to fraction form
    147,072,128.80/220,608,193.20 = 39,366,752.80/x
  3. Step 3: Cross multiply
    147,072,128.80x = 220,608,193.20 × 39,366,752.80
  4. Step 4: Simplify right side
    147,072,128.80x = 8,684,628,207,359,040
  5. Step 5: Solve for x
    x = 8,684,628,207,359,040/147,072,128.80
  6. Step 6: Final answer
    x = 59,050,129.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.