Home / 171,680,066.40-257,520,099.60-164,983,909.80

Finding the Fourth Proportional to 171,680,066.40, 257,520,099.60 and 164,983,909.80

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Solution

The fourth proportional to 171,680,066.40, 257,520,099.60 and 164,983,909.80 is: 247,475,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,680,066.40 : 257,520,099.60 = 164,983,909.80 : x
  2. Step 2: Convert to fraction form
    171,680,066.40/257,520,099.60 = 164,983,909.80/x
  3. Step 3: Cross multiply
    171,680,066.40x = 257,520,099.60 × 164,983,909.80
  4. Step 4: Simplify right side
    171,680,066.40x = 42,486,672,884,093,416
  5. Step 5: Solve for x
    x = 42,486,672,884,093,416/171,680,066.40
  6. Step 6: Final answer
    x = 247,475,864.70

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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.