Home / 80,051,365.80-110,482,731.54-50,685,428.16

Finding the Fourth Proportional to 80,051,365.80, 110,482,731.54 and 50,685,428.16

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Solution

The fourth proportional to 80,051,365.80, 110,482,731.54 and 50,685,428.16 is: 69,953,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,051,365.80 : 110,482,731.54 = 50,685,428.16 : x
  2. Step 2: Convert to fraction form
    80,051,365.80/110,482,731.54 = 50,685,428.16/x
  3. Step 3: Cross multiply
    80,051,365.80x = 110,482,731.54 × 50,685,428.16
  4. Step 4: Simplify right side
    80,051,365.80x = 5,599,864,552,391,236
  5. Step 5: Solve for x
    x = 5,599,864,552,391,236/80,051,365.80
  6. Step 6: Final answer
    x = 69,953,391.76

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1.5x scale

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.