Home / 57,095,136.92-78,789,178.04-30,989,098.36

Finding the Fourth Proportional to 57,095,136.92, 78,789,178.04 and 30,989,098.36

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Solution

The fourth proportional to 57,095,136.92, 78,789,178.04 and 30,989,098.36 is: 42,763,810.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,095,136.92 : 78,789,178.04 = 30,989,098.36 : x
  2. Step 2: Convert to fraction form
    57,095,136.92/78,789,178.04 = 30,989,098.36/x
  3. Step 3: Cross multiply
    57,095,136.92x = 78,789,178.04 × 30,989,098.36
  4. Step 4: Simplify right side
    57,095,136.92x = 2,441,605,587,985,112
  5. Step 5: Solve for x
    x = 2,441,605,587,985,112/57,095,136.92
  6. Step 6: Final answer
    x = 42,763,810.01

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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.