Home / 251,424,128.40-376,856,256.60-98,019,200.40

Finding the Fourth Proportional to 251,424,128.40, 376,856,256.60 and 98,019,200.40

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Solution

The fourth proportional to 251,424,128.40, 376,856,256.60 and 98,019,200.40 is: 146,919,665.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,424,128.40 : 376,856,256.60 = 98,019,200.40 : x
  2. Step 2: Convert to fraction form
    251,424,128.40/376,856,256.60 = 98,019,200.40/x
  3. Step 3: Cross multiply
    251,424,128.40x = 376,856,256.60 × 98,019,200.40
  4. Step 4: Simplify right side
    251,424,128.40x = 36,939,148,937,669,224
  5. Step 5: Solve for x
    x = 36,939,148,937,669,224/251,424,128.40
  6. Step 6: Final answer
    x = 146,919,665.88

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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.