Home / 215,685,728.40-323,528,592.60-119,947,616.40

Finding the Fourth Proportional to 215,685,728.40, 323,528,592.60 and 119,947,616.40

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Solution

The fourth proportional to 215,685,728.40, 323,528,592.60 and 119,947,616.40 is: 179,921,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,685,728.40 : 323,528,592.60 = 119,947,616.40 : x
  2. Step 2: Convert to fraction form
    215,685,728.40/323,528,592.60 = 119,947,616.40/x
  3. Step 3: Cross multiply
    215,685,728.40x = 323,528,592.60 × 119,947,616.40
  4. Step 4: Simplify right side
    215,685,728.40x = 38,806,483,519,616,680
  5. Step 5: Solve for x
    x = 38,806,483,519,616,680/215,685,728.40
  6. Step 6: Final answer
    x = 179,921,424.60

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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.