Home / 51,931,186.80-77,896,780.20-49,719,692.40

Finding the Fourth Proportional to 51,931,186.80, 77,896,780.20 and 49,719,692.40

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Solution

The fourth proportional to 51,931,186.80, 77,896,780.20 and 49,719,692.40 is: 74,579,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,931,186.80 : 77,896,780.20 = 49,719,692.40 : x
  2. Step 2: Convert to fraction form
    51,931,186.80/77,896,780.20 = 49,719,692.40/x
  3. Step 3: Cross multiply
    51,931,186.80x = 77,896,780.20 × 49,719,692.40
  4. Step 4: Simplify right side
    51,931,186.80x = 3,873,003,950,494,410.50
  5. Step 5: Solve for x
    x = 3,873,003,950,494,410.50/51,931,186.80
  6. Step 6: Final answer
    x = 74,579,538.60

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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.