Home / 170,365,919.66-255,446,527.86-66,611,514.68

Finding the Fourth Proportional to 170,365,919.66, 255,446,527.86 and 66,611,514.68

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Solution

The fourth proportional to 170,365,919.66, 255,446,527.86 and 66,611,514.68 is: 99,877,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,365,919.66 : 255,446,527.86 = 66,611,514.68 : x
  2. Step 2: Convert to fraction form
    170,365,919.66/255,446,527.86 = 66,611,514.68/x
  3. Step 3: Cross multiply
    170,365,919.66x = 255,446,527.86 × 66,611,514.68
  4. Step 4: Simplify right side
    170,365,919.66x = 17,015,680,140,501,420
  5. Step 5: Solve for x
    x = 17,015,680,140,501,420/170,365,919.66
  6. Step 6: Final answer
    x = 99,877,253.47

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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.