Home / 109,284,645.17-150,831,468.07-65,233,916.21

Finding the Fourth Proportional to 109,284,645.17, 150,831,468.07 and 65,233,916.21

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Solution

The fourth proportional to 109,284,645.17, 150,831,468.07 and 65,233,916.21 is: 90,033,941.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,284,645.17 : 150,831,468.07 = 65,233,916.21 : x
  2. Step 2: Convert to fraction form
    109,284,645.17/150,831,468.07 = 65,233,916.21/x
  3. Step 3: Cross multiply
    109,284,645.17x = 150,831,468.07 × 65,233,916.21
  4. Step 4: Simplify right side
    109,284,645.17x = 9,839,327,349,642,052
  5. Step 5: Solve for x
    x = 9,839,327,349,642,052/109,284,645.17
  6. Step 6: Final answer
    x = 90,033,941.50

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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.