Home / 256,018,898.03-353,306,079.72-138,544,228.22

Finding the Fourth Proportional to 256,018,898.03, 353,306,079.72 and 138,544,228.22

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Solution

The fourth proportional to 256,018,898.03, 353,306,079.72 and 138,544,228.22 is: 191,191,035.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,018,898.03 : 353,306,079.72 = 138,544,228.22 : x
  2. Step 2: Convert to fraction form
    256,018,898.03/353,306,079.72 = 138,544,228.22/x
  3. Step 3: Cross multiply
    256,018,898.03x = 353,306,079.72 × 138,544,228.22
  4. Step 4: Simplify right side
    256,018,898.03x = 48,948,518,138,474,672
  5. Step 5: Solve for x
    x = 48,948,518,138,474,672/256,018,898.03
  6. Step 6: Final answer
    x = 191,191,035.18

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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.