Home / 211,909,421.50-292,252,902.42-137,496,659.02

Finding the Fourth Proportional to 211,909,421.50, 292,252,902.42 and 137,496,659.02

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Solution

The fourth proportional to 211,909,421.50, 292,252,902.42 and 137,496,659.02 is: 189,627,235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,909,421.50 : 292,252,902.42 = 137,496,659.02 : x
  2. Step 2: Convert to fraction form
    211,909,421.50/292,252,902.42 = 137,496,659.02/x
  3. Step 3: Cross multiply
    211,909,421.50x = 292,252,902.42 × 137,496,659.02
  4. Step 4: Simplify right side
    211,909,421.50x = 40,183,797,671,433,056
  5. Step 5: Solve for x
    x = 40,183,797,671,433,056/211,909,421.50
  6. Step 6: Final answer
    x = 189,627,235.01

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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.