Home / 133,088,925.40-199,297,464.90-87,403,370.20

Finding the Fourth Proportional to 133,088,925.40, 199,297,464.90 and 87,403,370.20

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Solution

The fourth proportional to 133,088,925.40, 199,297,464.90 and 87,403,370.20 is: 130,884,444.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,088,925.40 : 199,297,464.90 = 87,403,370.20 : x
  2. Step 2: Convert to fraction form
    133,088,925.40/199,297,464.90 = 87,403,370.20/x
  3. Step 3: Cross multiply
    133,088,925.40x = 199,297,464.90 × 87,403,370.20
  4. Step 4: Simplify right side
    133,088,925.40x = 17,419,270,104,576,208
  5. Step 5: Solve for x
    x = 17,419,270,104,576,208/133,088,925.40
  6. Step 6: Final answer
    x = 130,884,444.76

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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.