Home / 65,880,513.68-90,915,117.48-36,513,742.17

Finding the Fourth Proportional to 65,880,513.68, 90,915,117.48 and 36,513,742.17

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Solution

The fourth proportional to 65,880,513.68, 90,915,117.48 and 36,513,742.17 is: 50,388,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,880,513.68 : 90,915,117.48 = 36,513,742.17 : x
  2. Step 2: Convert to fraction form
    65,880,513.68/90,915,117.48 = 36,513,742.17/x
  3. Step 3: Cross multiply
    65,880,513.68x = 90,915,117.48 × 36,513,742.17
  4. Step 4: Simplify right side
    65,880,513.68x = 3,319,651,158,696,447
  5. Step 5: Solve for x
    x = 3,319,651,158,696,447/65,880,513.68
  6. Step 6: Final answer
    x = 50,388,968.96

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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.