Home / 107,782,094.40-161,686,587.05-42,194,760.10

Finding the Fourth Proportional to 107,782,094.40, 161,686,587.05 and 42,194,760.10

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Solution

The fourth proportional to 107,782,094.40, 161,686,587.05 and 42,194,760.10 is: 63,297,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,782,094.40 : 161,686,587.05 = 42,194,760.10 : x
  2. Step 2: Convert to fraction form
    107,782,094.40/161,686,587.05 = 42,194,760.10/x
  3. Step 3: Cross multiply
    107,782,094.40x = 161,686,587.05 × 42,194,760.10
  4. Step 4: Simplify right side
    107,782,094.40x = 6,822,326,751,962,517
  5. Step 5: Solve for x
    x = 6,822,326,751,962,517/107,782,094.40
  6. Step 6: Final answer
    x = 63,297,403.80

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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.