Home / 40,822,800.30-61,234,200.45-30,619,133.10

Finding the Fourth Proportional to 40,822,800.30, 61,234,200.45 and 30,619,133.10

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Solution

The fourth proportional to 40,822,800.30, 61,234,200.45 and 30,619,133.10 is: 45,928,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,822,800.30 : 61,234,200.45 = 30,619,133.10 : x
  2. Step 2: Convert to fraction form
    40,822,800.30/61,234,200.45 = 30,619,133.10/x
  3. Step 3: Cross multiply
    40,822,800.30x = 61,234,200.45 × 30,619,133.10
  4. Step 4: Simplify right side
    40,822,800.30x = 1,874,938,133,850,630
  5. Step 5: Solve for x
    x = 1,874,938,133,850,630/40,822,800.30
  6. Step 6: Final answer
    x = 45,928,699.65

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Double scale
Find fourth proportional to 40,822,801.30, 61,234,201.95 and 30,619,134.10
Similar ratio
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1.5x scale

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.