Home / 65,880,515.18-90,915,119.55-36,513,743.67

Finding the Fourth Proportional to 65,880,515.18, 90,915,119.55 and 36,513,743.67

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Solution

The fourth proportional to 65,880,515.18, 90,915,119.55 and 36,513,743.67 is: 50,388,971.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,880,515.18 : 90,915,119.55 = 36,513,743.67 : x
  2. Step 2: Convert to fraction form
    65,880,515.18/90,915,119.55 = 36,513,743.67/x
  3. Step 3: Cross multiply
    65,880,515.18x = 90,915,119.55 × 36,513,743.67
  4. Step 4: Simplify right side
    65,880,515.18x = 3,319,651,370,976,106
  5. Step 5: Solve for x
    x = 3,319,651,370,976,106/65,880,515.18
  6. Step 6: Final answer
    x = 50,388,971.04

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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.