Home / 272,093,456.18-408,376,026.03-142,792,417.46

Finding the Fourth Proportional to 272,093,456.18, 408,376,026.03 and 142,792,417.46

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Solution

The fourth proportional to 272,093,456.18, 408,376,026.03 and 142,792,417.46 is: 214,312,394.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,093,456.18 : 408,376,026.03 = 142,792,417.46 : x
  2. Step 2: Convert to fraction form
    272,093,456.18/408,376,026.03 = 142,792,417.46/x
  3. Step 3: Cross multiply
    272,093,456.18x = 408,376,026.03 × 142,792,417.46
  4. Step 4: Simplify right side
    272,093,456.18x = 58,312,999,989,531,584
  5. Step 5: Solve for x
    x = 58,312,999,989,531,584/272,093,456.18
  6. Step 6: Final answer
    x = 214,312,394.01

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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.