Home / 132,891,128.40-199,374,017.40-64,736,043.60

Finding the Fourth Proportional to 132,891,128.40, 199,374,017.40 and 64,736,043.60

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Solution

The fourth proportional to 132,891,128.40, 199,374,017.40 and 64,736,043.60 is: 97,122,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,891,128.40 : 199,374,017.40 = 64,736,043.60 : x
  2. Step 2: Convert to fraction form
    132,891,128.40/199,374,017.40 = 64,736,043.60/x
  3. Step 3: Cross multiply
    132,891,128.40x = 199,374,017.40 × 64,736,043.60
  4. Step 4: Simplify right side
    132,891,128.40x = 12,906,685,083,113,560
  5. Step 5: Solve for x
    x = 12,906,685,083,113,560/132,891,128.40
  6. Step 6: Final answer
    x = 97,122,247.65

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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.