Home / 139,637,601.60-209,312,684.91-61,951,091.46

Finding the Fourth Proportional to 139,637,601.60, 209,312,684.91 and 61,951,091.46

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Solution

The fourth proportional to 139,637,601.60, 209,312,684.91 and 61,951,091.46 is: 92,862,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,637,601.60 : 209,312,684.91 = 61,951,091.46 : x
  2. Step 2: Convert to fraction form
    139,637,601.60/209,312,684.91 = 61,951,091.46/x
  3. Step 3: Cross multiply
    139,637,601.60x = 209,312,684.91 × 61,951,091.46
  4. Step 4: Simplify right side
    139,637,601.60x = 12,967,149,286,597,572
  5. Step 5: Solve for x
    x = 12,967,149,286,597,572/139,637,601.60
  6. Step 6: Final answer
    x = 92,862,876.03

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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.