Home / 170,365,920.16-255,446,528.61-66,611,515.18

Finding the Fourth Proportional to 170,365,920.16, 255,446,528.61 and 66,611,515.18

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Solution

The fourth proportional to 170,365,920.16, 255,446,528.61 and 66,611,515.18 is: 99,877,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,365,920.16 : 255,446,528.61 = 66,611,515.18 : x
  2. Step 2: Convert to fraction form
    170,365,920.16/255,446,528.61 = 66,611,515.18/x
  3. Step 3: Cross multiply
    170,365,920.16x = 255,446,528.61 × 66,611,515.18
  4. Step 4: Simplify right side
    170,365,920.16x = 17,015,680,318,183,320
  5. Step 5: Solve for x
    x = 17,015,680,318,183,320/170,365,920.16
  6. Step 6: Final answer
    x = 99,877,254.22

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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.