Home / 74,710,221.83-112,099,383.32-38,344,150.11

Finding the Fourth Proportional to 74,710,221.83, 112,099,383.32 and 38,344,150.11

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Solution

The fourth proportional to 74,710,221.83, 112,099,383.32 and 38,344,150.11 is: 57,533,701.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,710,221.83 : 112,099,383.32 = 38,344,150.11 : x
  2. Step 2: Convert to fraction form
    74,710,221.83/112,099,383.32 = 38,344,150.11/x
  3. Step 3: Cross multiply
    74,710,221.83x = 112,099,383.32 × 38,344,150.11
  4. Step 4: Simplify right side
    74,710,221.83x = 4,298,355,581,068,789.50
  5. Step 5: Solve for x
    x = 4,298,355,581,068,789.50/74,710,221.83
  6. Step 6: Final answer
    x = 57,533,701.23

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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.