Home / 138,657,741.12-191,546,995.32-110,743,802.64

Finding the Fourth Proportional to 138,657,741.12, 191,546,995.32 and 110,743,802.64

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Solution

The fourth proportional to 138,657,741.12, 191,546,995.32 and 110,743,802.64 is: 152,985,635.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,657,741.12 : 191,546,995.32 = 110,743,802.64 : x
  2. Step 2: Convert to fraction form
    138,657,741.12/191,546,995.32 = 110,743,802.64/x
  3. Step 3: Cross multiply
    138,657,741.12x = 191,546,995.32 × 110,743,802.64
  4. Step 4: Simplify right side
    138,657,741.12x = 21,212,642,646,003,084
  5. Step 5: Solve for x
    x = 21,212,642,646,003,084/138,657,741.12
  6. Step 6: Final answer
    x = 152,985,635.53

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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.