Home / 42,529,164.90-63,751,756.95-20,946,099.30

Finding the Fourth Proportional to 42,529,164.90, 63,751,756.95 and 20,946,099.30

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Solution

The fourth proportional to 42,529,164.90, 63,751,756.95 and 20,946,099.30 is: 31,398,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,529,164.90 : 63,751,756.95 = 20,946,099.30 : x
  2. Step 2: Convert to fraction form
    42,529,164.90/63,751,756.95 = 20,946,099.30/x
  3. Step 3: Cross multiply
    42,529,164.90x = 63,751,756.95 × 20,946,099.30
  4. Step 4: Simplify right side
    42,529,164.90x = 1,335,350,631,624,165.25
  5. Step 5: Solve for x
    x = 1,335,350,631,624,165.25/42,529,164.90
  6. Step 6: Final answer
    x = 31,398,468.20

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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.