Home / 203,985,052.20-306,048,437.10-89,052,078.60

Finding the Fourth Proportional to 203,985,052.20, 306,048,437.10 and 89,052,078.60

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Solution

The fourth proportional to 203,985,052.20, 306,048,437.10 and 89,052,078.60 is: 133,609,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,985,052.20 : 306,048,437.10 = 89,052,078.60 : x
  2. Step 2: Convert to fraction form
    203,985,052.20/306,048,437.10 = 89,052,078.60/x
  3. Step 3: Cross multiply
    203,985,052.20x = 306,048,437.10 × 89,052,078.60
  4. Step 4: Simplify right side
    203,985,052.20x = 27,254,249,476,036,356
  5. Step 5: Solve for x
    x = 27,254,249,476,036,356/203,985,052.20
  6. Step 6: Final answer
    x = 133,609,052.14

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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.