Home / 372,107,003.32-558,117,915.35-99,499,027.96

Finding the Fourth Proportional to 372,107,003.32, 558,117,915.35 and 99,499,027.96

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Solution

The fourth proportional to 372,107,003.32, 558,117,915.35 and 99,499,027.96 is: 149,237,153.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,107,003.32 : 558,117,915.35 = 99,499,027.96 : x
  2. Step 2: Convert to fraction form
    372,107,003.32/558,117,915.35 = 99,499,027.96/x
  3. Step 3: Cross multiply
    372,107,003.32x = 558,117,915.35 × 99,499,027.96
  4. Step 4: Simplify right side
    372,107,003.32x = 55,532,190,064,959,840
  5. Step 5: Solve for x
    x = 55,532,190,064,959,840/372,107,003.32
  6. Step 6: Final answer
    x = 149,237,153.75

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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.