Home / 238,708,053.06-329,239,543.32-210,781,493.10

Finding the Fourth Proportional to 238,708,053.06, 329,239,543.32 and 210,781,493.10

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Solution

The fourth proportional to 238,708,053.06, 329,239,543.32 and 210,781,493.10 is: 290,721,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,708,053.06 : 329,239,543.32 = 210,781,493.10 : x
  2. Step 2: Convert to fraction form
    238,708,053.06/329,239,543.32 = 210,781,493.10/x
  3. Step 3: Cross multiply
    238,708,053.06x = 329,239,543.32 × 210,781,493.10
  4. Step 4: Simplify right side
    238,708,053.06x = 69,397,602,528,551,728
  5. Step 5: Solve for x
    x = 69,397,602,528,551,728/238,708,053.06
  6. Step 6: Final answer
    x = 290,721,664.56

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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.