Home / 172,726,192.70-238,361,800.32-98,386,725.08

Finding the Fourth Proportional to 172,726,192.70, 238,361,800.32 and 98,386,725.08

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Solution

The fourth proportional to 172,726,192.70, 238,361,800.32 and 98,386,725.08 is: 135,773,483.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,726,192.70 : 238,361,800.32 = 98,386,725.08 : x
  2. Step 2: Convert to fraction form
    172,726,192.70/238,361,800.32 = 98,386,725.08/x
  3. Step 3: Cross multiply
    172,726,192.70x = 238,361,800.32 × 98,386,725.08
  4. Step 4: Simplify right side
    172,726,192.70x = 23,451,636,917,657,696
  5. Step 5: Solve for x
    x = 23,451,636,917,657,696/172,726,192.70
  6. Step 6: Final answer
    x = 135,773,483.75

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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.