Home / 98,876,457-136,451,150.91-54,825,312.51

Finding the Fourth Proportional to 98,876,457, 136,451,150.91 and 54,825,312.51

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Solution

The fourth proportional to 98,876,457, 136,451,150.91 and 54,825,312.51 is: 75,659,840.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,876,457 : 136,451,150.91 = 54,825,312.51 : x
  2. Step 2: Convert to fraction form
    98,876,457/136,451,150.91 = 54,825,312.51/x
  3. Step 3: Cross multiply
    98,876,457x = 136,451,150.91 × 54,825,312.51
  4. Step 4: Simplify right side
    98,876,457x = 7,480,976,990,989,920
  5. Step 5: Solve for x
    x = 7,480,976,990,989,920/98,876,457
  6. Step 6: Final answer
    x = 75,659,840.75

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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.