Home / 78,826,220.83-118,239,338.54-23,494,913.06

Finding the Fourth Proportional to 78,826,220.83, 118,239,338.54 and 23,494,913.06

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Solution

The fourth proportional to 78,826,220.83, 118,239,338.54 and 23,494,913.06 is: 35,242,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,826,220.83 : 118,239,338.54 = 23,494,913.06 : x
  2. Step 2: Convert to fraction form
    78,826,220.83/118,239,338.54 = 23,494,913.06/x
  3. Step 3: Cross multiply
    78,826,220.83x = 118,239,338.54 × 23,494,913.06
  4. Step 4: Simplify right side
    78,826,220.83x = 2,778,022,979,447,331
  5. Step 5: Solve for x
    x = 2,778,022,979,447,331/78,826,220.83
  6. Step 6: Final answer
    x = 35,242,371.77

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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.