Home / 238,521,636.66-357,786,936.98-74,755,771.56

Finding the Fourth Proportional to 238,521,636.66, 357,786,936.98 and 74,755,771.56

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Solution

The fourth proportional to 238,521,636.66, 357,786,936.98 and 74,755,771.56 is: 112,135,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,521,636.66 : 357,786,936.98 = 74,755,771.56 : x
  2. Step 2: Convert to fraction form
    238,521,636.66/357,786,936.98 = 74,755,771.56/x
  3. Step 3: Cross multiply
    238,521,636.66x = 357,786,936.98 × 74,755,771.56
  4. Step 4: Simplify right side
    238,521,636.66x = 26,746,638,527,934,804
  5. Step 5: Solve for x
    x = 26,746,638,527,934,804/238,521,636.66
  6. Step 6: Final answer
    x = 112,135,062.05

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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.