Home / 143,867,628.69-198,492,001.92-88,054,864.53

Finding the Fourth Proportional to 143,867,628.69, 198,492,001.92 and 88,054,864.53

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Solution

The fourth proportional to 143,867,628.69, 198,492,001.92 and 88,054,864.53 is: 121,487,971.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,867,628.69 : 198,492,001.92 = 88,054,864.53 : x
  2. Step 2: Convert to fraction form
    143,867,628.69/198,492,001.92 = 88,054,864.53/x
  3. Step 3: Cross multiply
    143,867,628.69x = 198,492,001.92 × 88,054,864.53
  4. Step 4: Simplify right side
    143,867,628.69x = 17,478,186,339,354,098
  5. Step 5: Solve for x
    x = 17,478,186,339,354,098/143,867,628.69
  6. Step 6: Final answer
    x = 121,487,971.26

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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.