Home / 51,430,171.86-77,145,690.33-13,091,692.50

Finding the Fourth Proportional to 51,430,171.86, 77,145,690.33 and 13,091,692.50

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Solution

The fourth proportional to 51,430,171.86, 77,145,690.33 and 13,091,692.50 is: 19,637,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,430,171.86 : 77,145,690.33 = 13,091,692.50 : x
  2. Step 2: Convert to fraction form
    51,430,171.86/77,145,690.33 = 13,091,692.50/x
  3. Step 3: Cross multiply
    51,430,171.86x = 77,145,690.33 × 13,091,692.50
  4. Step 4: Simplify right side
    51,430,171.86x = 1,009,967,655,500,583.50
  5. Step 5: Solve for x
    x = 1,009,967,655,500,583.50/51,430,171.86
  6. Step 6: Final answer
    x = 19,637,648.85

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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.