Home / 42,767,999.80-64,151,999.70-26,328,758.20

Finding the Fourth Proportional to 42,767,999.80, 64,151,999.70 and 26,328,758.20

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Solution

The fourth proportional to 42,767,999.80, 64,151,999.70 and 26,328,758.20 is: 39,493,137.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,767,999.80 : 64,151,999.70 = 26,328,758.20 : x
  2. Step 2: Convert to fraction form
    42,767,999.80/64,151,999.70 = 26,328,758.20/x
  3. Step 3: Cross multiply
    42,767,999.80x = 64,151,999.70 × 26,328,758.20
  4. Step 4: Simplify right side
    42,767,999.80x = 1,689,042,488,147,772.50
  5. Step 5: Solve for x
    x = 1,689,042,488,147,772.50/42,767,999.80
  6. Step 6: Final answer
    x = 39,493,137.30

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1.5x scale

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.