Home / 138,700,099.96-191,333,569.37-85,759,884.25

Finding the Fourth Proportional to 138,700,099.96, 191,333,569.37 and 85,759,884.25

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Solution

The fourth proportional to 138,700,099.96, 191,333,569.37 and 85,759,884.25 is: 118,303,770.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,700,099.96 : 191,333,569.37 = 85,759,884.25 : x
  2. Step 2: Convert to fraction form
    138,700,099.96/191,333,569.37 = 85,759,884.25/x
  3. Step 3: Cross multiply
    138,700,099.96x = 191,333,569.37 × 85,759,884.25
  4. Step 4: Simplify right side
    138,700,099.96x = 16,408,744,761,403,414
  5. Step 5: Solve for x
    x = 16,408,744,761,403,414/138,700,099.96
  6. Step 6: Final answer
    x = 118,303,770.27

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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.