Home / 42,664,917.80-64,146,675.90-41,769,122.60

Finding the Fourth Proportional to 42,664,917.80, 64,146,675.90 and 41,769,122.60

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Solution

The fourth proportional to 42,664,917.80, 64,146,675.90 and 41,769,122.60 is: 62,799,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,664,917.80 : 64,146,675.90 = 41,769,122.60 : x
  2. Step 2: Convert to fraction form
    42,664,917.80/64,146,675.90 = 41,769,122.60/x
  3. Step 3: Cross multiply
    42,664,917.80x = 64,146,675.90 × 41,769,122.60
  4. Step 4: Simplify right side
    42,664,917.80x = 2,679,350,370,049,565.50
  5. Step 5: Solve for x
    x = 2,679,350,370,049,565.50/42,664,917.80
  6. Step 6: Final answer
    x = 62,799,848.40

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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.