Home / 151,565,682.66-209,152,054.31-85,482,231.18

Finding the Fourth Proportional to 151,565,682.66, 209,152,054.31 and 85,482,231.18

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Solution

The fourth proportional to 151,565,682.66, 209,152,054.31 and 85,482,231.18 is: 117,960,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,565,682.66 : 209,152,054.31 = 85,482,231.18 : x
  2. Step 2: Convert to fraction form
    151,565,682.66/209,152,054.31 = 85,482,231.18/x
  3. Step 3: Cross multiply
    151,565,682.66x = 209,152,054.31 × 85,482,231.18
  4. Step 4: Simplify right side
    151,565,682.66x = 17,878,784,257,871,926
  5. Step 5: Solve for x
    x = 17,878,784,257,871,926/151,565,682.66
  6. Step 6: Final answer
    x = 117,960,635.57

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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.