Home / 45,864,043.20-68,796,064.80-42,356,532.60

Finding the Fourth Proportional to 45,864,043.20, 68,796,064.80 and 42,356,532.60

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Solution

The fourth proportional to 45,864,043.20, 68,796,064.80 and 42,356,532.60 is: 63,534,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,864,043.20 : 68,796,064.80 = 42,356,532.60 : x
  2. Step 2: Convert to fraction form
    45,864,043.20/68,796,064.80 = 42,356,532.60/x
  3. Step 3: Cross multiply
    45,864,043.20x = 68,796,064.80 × 42,356,532.60
  4. Step 4: Simplify right side
    45,864,043.20x = 2,913,962,761,452,912.50
  5. Step 5: Solve for x
    x = 2,913,962,761,452,912.50/45,864,043.20
  6. Step 6: Final answer
    x = 63,534,798.90

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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.