Home / 140,361,554.52-193,685,945.58-77,636,302.29

Finding the Fourth Proportional to 140,361,554.52, 193,685,945.58 and 77,636,302.29

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Solution

The fourth proportional to 140,361,554.52, 193,685,945.58 and 77,636,302.29 is: 107,130,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,361,554.52 : 193,685,945.58 = 77,636,302.29 : x
  2. Step 2: Convert to fraction form
    140,361,554.52/193,685,945.58 = 77,636,302.29/x
  3. Step 3: Cross multiply
    140,361,554.52x = 193,685,945.58 × 77,636,302.29
  4. Step 4: Simplify right side
    140,361,554.52x = 15,037,060,620,373,372
  5. Step 5: Solve for x
    x = 15,037,060,620,373,372/140,361,554.52
  6. Step 6: Final answer
    x = 107,130,906.83

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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.