Home / 248,469,225.20-342,902,871.55-136,959,814.51

Finding the Fourth Proportional to 248,469,225.20, 342,902,871.55 and 136,959,814.51

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Solution

The fourth proportional to 248,469,225.20, 342,902,871.55 and 136,959,814.51 is: 189,013,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,469,225.20 : 342,902,871.55 = 136,959,814.51 : x
  2. Step 2: Convert to fraction form
    248,469,225.20/342,902,871.55 = 136,959,814.51/x
  3. Step 3: Cross multiply
    248,469,225.20x = 342,902,871.55 × 136,959,814.51
  4. Step 4: Simplify right side
    248,469,225.20x = 46,963,913,681,748,296
  5. Step 5: Solve for x
    x = 46,963,913,681,748,296/248,469,225.20
  6. Step 6: Final answer
    x = 189,013,000.08

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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.