Home / 65,880,519.90-90,915,126.08-36,513,748.39

Finding the Fourth Proportional to 65,880,519.90, 90,915,126.08 and 36,513,748.39

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Solution

The fourth proportional to 65,880,519.90, 90,915,126.08 and 36,513,748.39 is: 50,388,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,880,519.90 : 90,915,126.08 = 36,513,748.39 : x
  2. Step 2: Convert to fraction form
    65,880,519.90/90,915,126.08 = 36,513,748.39/x
  3. Step 3: Cross multiply
    65,880,519.90x = 90,915,126.08 × 36,513,748.39
  4. Step 4: Simplify right side
    65,880,519.90x = 3,319,652,038,751,990
  5. Step 5: Solve for x
    x = 3,319,652,038,751,990/65,880,519.90
  6. Step 6: Final answer
    x = 50,388,977.56

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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.