Home / 215,685,854.40-323,528,781.60-119,947,742.40

Finding the Fourth Proportional to 215,685,854.40, 323,528,781.60 and 119,947,742.40

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Solution

The fourth proportional to 215,685,854.40, 323,528,781.60 and 119,947,742.40 is: 179,921,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,685,854.40 : 323,528,781.60 = 119,947,742.40 : x
  2. Step 2: Convert to fraction form
    215,685,854.40/323,528,781.60 = 119,947,742.40/x
  3. Step 3: Cross multiply
    215,685,854.40x = 323,528,781.60 × 119,947,742.40
  4. Step 4: Simplify right side
    215,685,854.40x = 38,806,546,954,342,664
  5. Step 5: Solve for x
    x = 38,806,546,954,342,664/215,685,854.40
  6. Step 6: Final answer
    x = 179,921,613.60

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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.