Home / 121,937,404.83-168,273,803.40-66,182,845.59

Finding the Fourth Proportional to 121,937,404.83, 168,273,803.40 and 66,182,845.59

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Solution

The fourth proportional to 121,937,404.83, 168,273,803.40 and 66,182,845.59 is: 91,332,427.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,937,404.83 : 168,273,803.40 = 66,182,845.59 : x
  2. Step 2: Convert to fraction form
    121,937,404.83/168,273,803.40 = 66,182,845.59/x
  3. Step 3: Cross multiply
    121,937,404.83x = 168,273,803.40 × 66,182,845.59
  4. Step 4: Simplify right side
    121,937,404.83x = 11,136,839,147,264,218
  5. Step 5: Solve for x
    x = 11,136,839,147,264,218/121,937,404.83
  6. Step 6: Final answer
    x = 91,332,427.18

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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.