Home / 65,880,625.23-90,915,271.26-36,513,853.72

Finding the Fourth Proportional to 65,880,625.23, 90,915,271.26 and 36,513,853.72

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Solution

The fourth proportional to 65,880,625.23, 90,915,271.26 and 36,513,853.72 is: 50,389,122.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,880,625.23 : 90,915,271.26 = 36,513,853.72 : x
  2. Step 2: Convert to fraction form
    65,880,625.23/90,915,271.26 = 36,513,853.72/x
  3. Step 3: Cross multiply
    65,880,625.23x = 90,915,271.26 × 36,513,853.72
  4. Step 4: Simplify right side
    65,880,625.23x = 3,319,666,915,337,545
  5. Step 5: Solve for x
    x = 3,319,666,915,337,545/65,880,625.23
  6. Step 6: Final answer
    x = 50,389,122.81

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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.