Home / 77,341,005.36-106,728,456.87-42,533,692.14

Finding the Fourth Proportional to 77,341,005.36, 106,728,456.87 and 42,533,692.14

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Solution

The fourth proportional to 77,341,005.36, 106,728,456.87 and 42,533,692.14 is: 58,695,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,341,005.36 : 106,728,456.87 = 42,533,692.14 : x
  2. Step 2: Convert to fraction form
    77,341,005.36/106,728,456.87 = 42,533,692.14/x
  3. Step 3: Cross multiply
    77,341,005.36x = 106,728,456.87 × 42,533,692.14
  4. Step 4: Simplify right side
    77,341,005.36x = 4,539,555,327,085,848
  5. Step 5: Solve for x
    x = 4,539,555,327,085,848/77,341,005.36
  6. Step 6: Final answer
    x = 58,695,323.47

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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.