Home / 285,060,991.59-427,592,910.96-100,828,637.55

Finding the Fourth Proportional to 285,060,991.59, 427,592,910.96 and 100,828,637.55

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Solution

The fourth proportional to 285,060,991.59, 427,592,910.96 and 100,828,637.55 is: 151,243,459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,060,991.59 : 427,592,910.96 = 100,828,637.55 : x
  2. Step 2: Convert to fraction form
    285,060,991.59/427,592,910.96 = 100,828,637.55/x
  3. Step 3: Cross multiply
    285,060,991.59x = 427,592,910.96 × 100,828,637.55
  4. Step 4: Simplify right side
    285,060,991.59x = 43,113,610,638,135,256
  5. Step 5: Solve for x
    x = 43,113,610,638,135,256/285,060,991.59
  6. Step 6: Final answer
    x = 151,243,459.86

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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.