Home / 86,940,037.70-130,410,056.55-65,257,244.90

Finding the Fourth Proportional to 86,940,037.70, 130,410,056.55 and 65,257,244.90

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Solution

The fourth proportional to 86,940,037.70, 130,410,056.55 and 65,257,244.90 is: 97,885,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,940,037.70 : 130,410,056.55 = 65,257,244.90 : x
  2. Step 2: Convert to fraction form
    86,940,037.70/130,410,056.55 = 65,257,244.90/x
  3. Step 3: Cross multiply
    86,940,037.70x = 130,410,056.55 × 65,257,244.90
  4. Step 4: Simplify right side
    86,940,037.70x = 8,510,200,997,706,199
  5. Step 5: Solve for x
    x = 8,510,200,997,706,199/86,940,037.70
  6. Step 6: Final answer
    x = 97,885,867.35

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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.