Home / 121,805,061,468.12-182,706,855,270.66-66,260,548,759.32

Finding the Fourth Proportional to 121,805,061,468.12, 182,706,855,270.66 and 66,260,548,759.32

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Solution

The fourth proportional to 121,805,061,468.12, 182,706,855,270.66 and 66,260,548,759.32 is: 99,390,422,256.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,805,061,468.12 : 182,706,855,270.66 = 66,260,548,759.32 : x
  2. Step 2: Convert to fraction form
    121,805,061,468.12/182,706,855,270.66 = 66,260,548,759.32/x
  3. Step 3: Cross multiply
    121,805,061,468.12x = 182,706,855,270.66 × 66,260,548,759.32
  4. Step 4: Simplify right side
    121,805,061,468.12x = 12,106,256,492,323,590,373,376
  5. Step 5: Solve for x
    x = 12,106,256,492,323,590,373,376/121,805,061,468.12
  6. Step 6: Final answer
    x = 99,390,422,256.73

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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.