Home / 85,354,652.78-128,027,462.58-23,948,086.22

Finding the Fourth Proportional to 85,354,652.78, 128,027,462.58 and 23,948,086.22

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Solution

The fourth proportional to 85,354,652.78, 128,027,462.58 and 23,948,086.22 is: 35,920,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,354,652.78 : 128,027,462.58 = 23,948,086.22 : x
  2. Step 2: Convert to fraction form
    85,354,652.78/128,027,462.58 = 23,948,086.22/x
  3. Step 3: Cross multiply
    85,354,652.78x = 128,027,462.58 × 23,948,086.22
  4. Step 4: Simplify right side
    85,354,652.78x = 3,066,012,712,393,663.50
  5. Step 5: Solve for x
    x = 3,066,012,712,393,663.50/85,354,652.78
  6. Step 6: Final answer
    x = 35,920,862.10

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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.