Home / 258,112,161.86-356,194,834.61-140,637,492.09

Finding the Fourth Proportional to 258,112,161.86, 356,194,834.61 and 140,637,492.09

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Solution

The fourth proportional to 258,112,161.86, 356,194,834.61 and 140,637,492.09 is: 194,079,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,112,161.86 : 356,194,834.61 = 140,637,492.09 : x
  2. Step 2: Convert to fraction form
    258,112,161.86/356,194,834.61 = 140,637,492.09/x
  3. Step 3: Cross multiply
    258,112,161.86x = 356,194,834.61 × 140,637,492.09
  4. Step 4: Simplify right side
    258,112,161.86x = 50,094,348,234,259,552
  5. Step 5: Solve for x
    x = 50,094,348,234,259,552/258,112,161.86
  6. Step 6: Final answer
    x = 194,079,767.01

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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.