Home / 57,031,498.20-85,484,261.70-31,490,837.40

Finding the Fourth Proportional to 57,031,498.20, 85,484,261.70 and 31,490,837.40

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Solution

The fourth proportional to 57,031,498.20, 85,484,261.70 and 31,490,837.40 is: 47,201,477.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,031,498.20 : 85,484,261.70 = 31,490,837.40 : x
  2. Step 2: Convert to fraction form
    57,031,498.20/85,484,261.70 = 31,490,837.40/x
  3. Step 3: Cross multiply
    57,031,498.20x = 85,484,261.70 × 31,490,837.40
  4. Step 4: Simplify right side
    57,031,498.20x = 2,691,970,985,453,747.50
  5. Step 5: Solve for x
    x = 2,691,970,985,453,747.50/57,031,498.20
  6. Step 6: Final answer
    x = 47,201,477.61

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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.