Home / 47,765,712.05-65,900,826.58-38,929,970.29

Finding the Fourth Proportional to 47,765,712.05, 65,900,826.58 and 38,929,970.29

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Solution

The fourth proportional to 47,765,712.05, 65,900,826.58 and 38,929,970.29 is: 53,710,436.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,765,712.05 : 65,900,826.58 = 38,929,970.29 : x
  2. Step 2: Convert to fraction form
    47,765,712.05/65,900,826.58 = 38,929,970.29/x
  3. Step 3: Cross multiply
    47,765,712.05x = 65,900,826.58 × 38,929,970.29
  4. Step 4: Simplify right side
    47,765,712.05x = 2,565,517,220,856,336
  5. Step 5: Solve for x
    x = 2,565,517,220,856,336/47,765,712.05
  6. Step 6: Final answer
    x = 53,710,436.02

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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.