Home / 71,575,817.27-107,355,685.77-19,767,785.13

Finding the Fourth Proportional to 71,575,817.27, 107,355,685.77 and 19,767,785.13

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Solution

The fourth proportional to 71,575,817.27, 107,355,685.77 and 19,767,785.13 is: 29,649,457.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,575,817.27 : 107,355,685.77 = 19,767,785.13 : x
  2. Step 2: Convert to fraction form
    71,575,817.27/107,355,685.77 = 19,767,785.13/x
  3. Step 3: Cross multiply
    71,575,817.27x = 107,355,685.77 × 19,767,785.13
  4. Step 4: Simplify right side
    71,575,817.27x = 2,122,184,128,785,158.50
  5. Step 5: Solve for x
    x = 2,122,184,128,785,158.50/71,575,817.27
  6. Step 6: Final answer
    x = 29,649,457.18

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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.