Home / 120,201,068.61-165,875,846.95-67,277,760.54

Finding the Fourth Proportional to 120,201,068.61, 165,875,846.95 and 67,277,760.54

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Solution

The fourth proportional to 120,201,068.61, 165,875,846.95 and 67,277,760.54 is: 92,842,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,201,068.61 : 165,875,846.95 = 67,277,760.54 : x
  2. Step 2: Convert to fraction form
    120,201,068.61/165,875,846.95 = 67,277,760.54/x
  3. Step 3: Cross multiply
    120,201,068.61x = 165,875,846.95 × 67,277,760.54
  4. Step 4: Simplify right side
    120,201,068.61x = 11,159,755,510,471,790
  5. Step 5: Solve for x
    x = 11,159,755,510,471,790/120,201,068.61
  6. Step 6: Final answer
    x = 92,842,398.49

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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.