Home / 97,115,260.20-145,672,890.30-86,533,679.40

Finding the Fourth Proportional to 97,115,260.20, 145,672,890.30 and 86,533,679.40

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Solution

The fourth proportional to 97,115,260.20, 145,672,890.30 and 86,533,679.40 is: 129,800,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,115,260.20 : 145,672,890.30 = 86,533,679.40 : x
  2. Step 2: Convert to fraction form
    97,115,260.20/145,672,890.30 = 86,533,679.40/x
  3. Step 3: Cross multiply
    97,115,260.20x = 145,672,890.30 × 86,533,679.40
  4. Step 4: Simplify right side
    97,115,260.20x = 12,605,611,186,491,572
  5. Step 5: Solve for x
    x = 12,605,611,186,491,572/97,115,260.20
  6. Step 6: Final answer
    x = 129,800,519.10

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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.