Home / 144,975,062.40-200,072,174.12-85,438,871.18

Finding the Fourth Proportional to 144,975,062.40, 200,072,174.12 and 85,438,871.18

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Solution

The fourth proportional to 144,975,062.40, 200,072,174.12 and 85,438,871.18 is: 117,909,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,975,062.40 : 200,072,174.12 = 85,438,871.18 : x
  2. Step 2: Convert to fraction form
    144,975,062.40/200,072,174.12 = 85,438,871.18/x
  3. Step 3: Cross multiply
    144,975,062.40x = 200,072,174.12 × 85,438,871.18
  4. Step 4: Simplify right side
    144,975,062.40x = 17,093,940,710,984,320
  5. Step 5: Solve for x
    x = 17,093,940,710,984,320/144,975,062.40
  6. Step 6: Final answer
    x = 117,909,524.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.