Home / 122,345,962.59-168,851,805.27-68,709,438.57

Finding the Fourth Proportional to 122,345,962.59, 168,851,805.27 and 68,709,438.57

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Solution

The fourth proportional to 122,345,962.59, 168,851,805.27 and 68,709,438.57 is: 94,827,099.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,345,962.59 : 168,851,805.27 = 68,709,438.57 : x
  2. Step 2: Convert to fraction form
    122,345,962.59/168,851,805.27 = 68,709,438.57/x
  3. Step 3: Cross multiply
    122,345,962.59x = 168,851,805.27 × 68,709,438.57
  4. Step 4: Simplify right side
    122,345,962.59x = 11,601,712,741,632,666
  5. Step 5: Solve for x
    x = 11,601,712,741,632,666/122,345,962.59
  6. Step 6: Final answer
    x = 94,827,099.28

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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.