Home / 121,360,317.39-167,522,782.15-79,547,077.29

Finding the Fourth Proportional to 121,360,317.39, 167,522,782.15 and 79,547,077.29

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Solution

The fourth proportional to 121,360,317.39, 167,522,782.15 and 79,547,077.29 is: 109,804,819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,360,317.39 : 167,522,782.15 = 79,547,077.29 : x
  2. Step 2: Convert to fraction form
    121,360,317.39/167,522,782.15 = 79,547,077.29/x
  3. Step 3: Cross multiply
    121,360,317.39x = 167,522,782.15 × 79,547,077.29
  4. Step 4: Simplify right side
    121,360,317.39x = 13,325,947,698,684,268
  5. Step 5: Solve for x
    x = 13,325,947,698,684,268/121,360,317.39
  6. Step 6: Final answer
    x = 109,804,819.12

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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.