Home / 438,083,070.30-657,212,292.62-161,735,964.04

Finding the Fourth Proportional to 438,083,070.30, 657,212,292.62 and 161,735,964.04

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Solution

The fourth proportional to 438,083,070.30, 657,212,292.62 and 161,735,964.04 is: 242,636,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,083,070.30 : 657,212,292.62 = 161,735,964.04 : x
  2. Step 2: Convert to fraction form
    438,083,070.30/657,212,292.62 = 161,735,964.04/x
  3. Step 3: Cross multiply
    438,083,070.30x = 657,212,292.62 × 161,735,964.04
  4. Step 4: Simplify right side
    438,083,070.30x = 106,294,863,725,834,272
  5. Step 5: Solve for x
    x = 106,294,863,725,834,272/438,083,070.30
  6. Step 6: Final answer
    x = 242,636,319.30

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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.