Home / 144,009,114.75-198,669,248.25-84,440,005.14

Finding the Fourth Proportional to 144,009,114.75, 198,669,248.25 and 84,440,005.14

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Solution

The fourth proportional to 144,009,114.75, 198,669,248.25 and 84,440,005.14 is: 116,490,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,009,114.75 : 198,669,248.25 = 84,440,005.14 : x
  2. Step 2: Convert to fraction form
    144,009,114.75/198,669,248.25 = 84,440,005.14/x
  3. Step 3: Cross multiply
    144,009,114.75x = 198,669,248.25 × 84,440,005.14
  4. Step 4: Simplify right side
    144,009,114.75x = 16,775,632,344,293,692
  5. Step 5: Solve for x
    x = 16,775,632,344,293,692/144,009,114.75
  6. Step 6: Final answer
    x = 116,490,073.38

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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.