Home / 331,361,866.44-497,114,547.85-126,889,948.98

Finding the Fourth Proportional to 331,361,866.44, 497,114,547.85 and 126,889,948.98

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Solution

The fourth proportional to 331,361,866.44, 497,114,547.85 and 126,889,948.98 is: 190,362,398.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,361,866.44 : 497,114,547.85 = 126,889,948.98 : x
  2. Step 2: Convert to fraction form
    331,361,866.44/497,114,547.85 = 126,889,948.98/x
  3. Step 3: Cross multiply
    331,361,866.44x = 497,114,547.85 × 126,889,948.98
  4. Step 4: Simplify right side
    331,361,866.44x = 63,078,839,613,902,272
  5. Step 5: Solve for x
    x = 63,078,839,613,902,272/331,361,866.44
  6. Step 6: Final answer
    x = 190,362,398.34

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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.