Home / 87,011,056.11-120,072,861.09-47,852,847.03

Finding the Fourth Proportional to 87,011,056.11, 120,072,861.09 and 47,852,847.03

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Solution

The fourth proportional to 87,011,056.11, 120,072,861.09 and 47,852,847.03 is: 66,035,611.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,011,056.11 : 120,072,861.09 = 47,852,847.03 : x
  2. Step 2: Convert to fraction form
    87,011,056.11/120,072,861.09 = 47,852,847.03/x
  3. Step 3: Cross multiply
    87,011,056.11x = 120,072,861.09 × 47,852,847.03
  4. Step 4: Simplify right side
    87,011,056.11x = 5,745,828,254,194,209
  5. Step 5: Solve for x
    x = 5,745,828,254,194,209/87,011,056.11
  6. Step 6: Final answer
    x = 66,035,611.00

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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.