Home / 131,712,511.50-181,763,265.87-73,765,759.50

Finding the Fourth Proportional to 131,712,511.50, 181,763,265.87 and 73,765,759.50

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Solution

The fourth proportional to 131,712,511.50, 181,763,265.87 and 73,765,759.50 is: 101,796,748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,712,511.50 : 181,763,265.87 = 73,765,759.50 : x
  2. Step 2: Convert to fraction form
    131,712,511.50/181,763,265.87 = 73,765,759.50/x
  3. Step 3: Cross multiply
    131,712,511.50x = 181,763,265.87 × 73,765,759.50
  4. Step 4: Simplify right side
    131,712,511.50x = 13,407,905,356,100,978
  5. Step 5: Solve for x
    x = 13,407,905,356,100,978/131,712,511.50
  6. Step 6: Final answer
    x = 101,796,748.11

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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.