Home / 133,057,261.60-199,585,892.40-64,943,648.80

Finding the Fourth Proportional to 133,057,261.60, 199,585,892.40 and 64,943,648.80

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Solution

The fourth proportional to 133,057,261.60, 199,585,892.40 and 64,943,648.80 is: 97,415,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,057,261.60 : 199,585,892.40 = 64,943,648.80 : x
  2. Step 2: Convert to fraction form
    133,057,261.60/199,585,892.40 = 64,943,648.80/x
  3. Step 3: Cross multiply
    133,057,261.60x = 199,585,892.40 × 64,943,648.80
  4. Step 4: Simplify right side
    133,057,261.60x = 12,961,836,101,460,188
  5. Step 5: Solve for x
    x = 12,961,836,101,460,188/133,057,261.60
  6. Step 6: Final answer
    x = 97,415,473.20

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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.