Home / 113,599,961.61-156,761,190.81-65,911,521.63

Finding the Fourth Proportional to 113,599,961.61, 156,761,190.81 and 65,911,521.63

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Solution

The fourth proportional to 113,599,961.61, 156,761,190.81 and 65,911,521.63 is: 90,953,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,599,961.61 : 156,761,190.81 = 65,911,521.63 : x
  2. Step 2: Convert to fraction form
    113,599,961.61/156,761,190.81 = 65,911,521.63/x
  3. Step 3: Cross multiply
    113,599,961.61x = 156,761,190.81 × 65,911,521.63
  4. Step 4: Simplify right side
    113,599,961.61x = 10,332,368,618,817,872
  5. Step 5: Solve for x
    x = 10,332,368,618,817,872/113,599,961.61
  6. Step 6: Final answer
    x = 90,953,979.85

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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.