Home / 57,135,740.40-85,703,610.60-42,586,066.80

Finding the Fourth Proportional to 57,135,740.40, 85,703,610.60 and 42,586,066.80

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Solution

The fourth proportional to 57,135,740.40, 85,703,610.60 and 42,586,066.80 is: 63,879,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,135,740.40 : 85,703,610.60 = 42,586,066.80 : x
  2. Step 2: Convert to fraction form
    57,135,740.40/85,703,610.60 = 42,586,066.80/x
  3. Step 3: Cross multiply
    57,135,740.40x = 85,703,610.60 × 42,586,066.80
  4. Step 4: Simplify right side
    57,135,740.40x = 3,649,779,686,012,787.50
  5. Step 5: Solve for x
    x = 3,649,779,686,012,787.50/57,135,740.40
  6. Step 6: Final answer
    x = 63,879,100.20

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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.