Home / 147,359,557.80-203,352,626.25-81,278,636.49

Finding the Fourth Proportional to 147,359,557.80, 203,352,626.25 and 81,278,636.49

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Solution

The fourth proportional to 147,359,557.80, 203,352,626.25 and 81,278,636.49 is: 112,162,552.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,359,557.80 : 203,352,626.25 = 81,278,636.49 : x
  2. Step 2: Convert to fraction form
    147,359,557.80/203,352,626.25 = 81,278,636.49/x
  3. Step 3: Cross multiply
    147,359,557.80x = 203,352,626.25 × 81,278,636.49
  4. Step 4: Simplify right side
    147,359,557.80x = 16,528,224,188,260,580
  5. Step 5: Solve for x
    x = 16,528,224,188,260,580/147,359,557.80
  6. Step 6: Final answer
    x = 112,162,552.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.