Home / 65,880,553.92-90,915,173.04-36,513,782.45

Finding the Fourth Proportional to 65,880,553.92, 90,915,173.04 and 36,513,782.45

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Solution

The fourth proportional to 65,880,553.92, 90,915,173.04 and 36,513,782.45 is: 50,389,024.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,880,553.92 : 90,915,173.04 = 36,513,782.45 : x
  2. Step 2: Convert to fraction form
    65,880,553.92/90,915,173.04 = 36,513,782.45/x
  3. Step 3: Cross multiply
    65,880,553.92x = 90,915,173.04 × 36,513,782.45
  4. Step 4: Simplify right side
    65,880,553.92x = 3,319,656,849,332,089.50
  5. Step 5: Solve for x
    x = 3,319,656,849,332,089.50/65,880,553.92
  6. Step 6: Final answer
    x = 50,389,024.56

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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.