Home / 251,963,121.12-347,709,104.29-136,069,617.12

Finding the Fourth Proportional to 251,963,121.12, 347,709,104.29 and 136,069,617.12

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Solution

The fourth proportional to 251,963,121.12, 347,709,104.29 and 136,069,617.12 is: 187,776,070.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,963,121.12 : 347,709,104.29 = 136,069,617.12 : x
  2. Step 2: Convert to fraction form
    251,963,121.12/347,709,104.29 = 136,069,617.12/x
  3. Step 3: Cross multiply
    251,963,121.12x = 347,709,104.29 × 136,069,617.12
  4. Step 4: Simplify right side
    251,963,121.12x = 47,312,644,689,878,456
  5. Step 5: Solve for x
    x = 47,312,644,689,878,456/251,963,121.12
  6. Step 6: Final answer
    x = 187,776,070.08

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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.