Home / 103,136,944.57-142,331,676.11-56,728,416.13

Finding the Fourth Proportional to 103,136,944.57, 142,331,676.11 and 56,728,416.13

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Solution

The fourth proportional to 103,136,944.57, 142,331,676.11 and 56,728,416.13 is: 78,286,695.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,136,944.57 : 142,331,676.11 = 56,728,416.13 : x
  2. Step 2: Convert to fraction form
    103,136,944.57/142,331,676.11 = 56,728,416.13/x
  3. Step 3: Cross multiply
    103,136,944.57x = 142,331,676.11 × 56,728,416.13
  4. Step 4: Simplify right side
    103,136,944.57x = 8,074,250,550,564,817
  5. Step 5: Solve for x
    x = 8,074,250,550,564,817/103,136,944.57
  6. Step 6: Final answer
    x = 78,286,695.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.