Home / 121,360,319.64-167,522,785.25-79,547,079.53

Finding the Fourth Proportional to 121,360,319.64, 167,522,785.25 and 79,547,079.53

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Solution

The fourth proportional to 121,360,319.64, 167,522,785.25 and 79,547,079.53 is: 109,804,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,360,319.64 : 167,522,785.25 = 79,547,079.53 : x
  2. Step 2: Convert to fraction form
    121,360,319.64/167,522,785.25 = 79,547,079.53/x
  3. Step 3: Cross multiply
    121,360,319.64x = 167,522,785.25 × 79,547,079.53
  4. Step 4: Simplify right side
    121,360,319.64x = 13,325,948,321,368,862
  5. Step 5: Solve for x
    x = 13,325,948,321,368,862/121,360,319.64
  6. Step 6: Final answer
    x = 109,804,822.21

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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.