Home / 133,805,477.85-200,905,241.49-74,833,398.01

Finding the Fourth Proportional to 133,805,477.85, 200,905,241.49 and 74,833,398.01

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Solution

The fourth proportional to 133,805,477.85, 200,905,241.49 and 74,833,398.01 is: 112,360,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,805,477.85 : 200,905,241.49 = 74,833,398.01 : x
  2. Step 2: Convert to fraction form
    133,805,477.85/200,905,241.49 = 74,833,398.01/x
  3. Step 3: Cross multiply
    133,805,477.85x = 200,905,241.49 × 74,833,398.01
  4. Step 4: Simplify right side
    133,805,477.85x = 15,034,421,899,270,968
  5. Step 5: Solve for x
    x = 15,034,421,899,270,968/133,805,477.85
  6. Step 6: Final answer
    x = 112,360,287.04

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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.