Home / 156,019,091.85-215,202,675.62-100,334,913.26

Finding the Fourth Proportional to 156,019,091.85, 215,202,675.62 and 100,334,913.26

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Solution

The fourth proportional to 156,019,091.85, 215,202,675.62 and 100,334,913.26 is: 138,395,510.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,019,091.85 : 215,202,675.62 = 100,334,913.26 : x
  2. Step 2: Convert to fraction form
    156,019,091.85/215,202,675.62 = 100,334,913.26/x
  3. Step 3: Cross multiply
    156,019,091.85x = 215,202,675.62 × 100,334,913.26
  4. Step 4: Simplify right side
    156,019,091.85x = 21,592,341,790,827,440
  5. Step 5: Solve for x
    x = 21,592,341,790,827,440/156,019,091.85
  6. Step 6: Final answer
    x = 138,395,510.03

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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.