Home / 78,758,084.72-108,686,176.60-43,475,910.32

Finding the Fourth Proportional to 78,758,084.72, 108,686,176.60 and 43,475,910.32

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Solution

The fourth proportional to 78,758,084.72, 108,686,176.60 and 43,475,910.32 is: 59,996,767.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,758,084.72 : 108,686,176.60 = 43,475,910.32 : x
  2. Step 2: Convert to fraction form
    78,758,084.72/108,686,176.60 = 43,475,910.32/x
  3. Step 3: Cross multiply
    78,758,084.72x = 108,686,176.60 × 43,475,910.32
  4. Step 4: Simplify right side
    78,758,084.72x = 4,725,230,466,885,282
  5. Step 5: Solve for x
    x = 4,725,230,466,885,282/78,758,084.72
  6. Step 6: Final answer
    x = 59,996,767.11

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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.