Home / 120,851,214.49-181,147,758.93-68,924,005.23

Finding the Fourth Proportional to 120,851,214.49, 181,147,758.93 and 68,924,005.23

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Solution

The fourth proportional to 120,851,214.49, 181,147,758.93 and 68,924,005.23 is: 103,312,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,851,214.49 : 181,147,758.93 = 68,924,005.23 : x
  2. Step 2: Convert to fraction form
    120,851,214.49/181,147,758.93 = 68,924,005.23/x
  3. Step 3: Cross multiply
    120,851,214.49x = 181,147,758.93 × 68,924,005.23
  4. Step 4: Simplify right side
    120,851,214.49x = 12,485,429,083,894,100
  5. Step 5: Solve for x
    x = 12,485,429,083,894,100/120,851,214.49
  6. Step 6: Final answer
    x = 103,312,400.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.