Home / 138,135,184.16-190,621,558.32-76,254,194.24

Finding the Fourth Proportional to 138,135,184.16, 190,621,558.32 and 76,254,194.24

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Solution

The fourth proportional to 138,135,184.16, 190,621,558.32 and 76,254,194.24 is: 105,228,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,135,184.16 : 190,621,558.32 = 76,254,194.24 : x
  2. Step 2: Convert to fraction form
    138,135,184.16/190,621,558.32 = 76,254,194.24/x
  3. Step 3: Cross multiply
    138,135,184.16x = 190,621,558.32 × 76,254,194.24
  4. Step 4: Simplify right side
    138,135,184.16x = 14,535,693,334,464,766
  5. Step 5: Solve for x
    x = 14,535,693,334,464,766/138,135,184.16
  6. Step 6: Final answer
    x = 105,228,030.23

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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.