Home / 91,639,812.48-126,459,540.16-50,384,250.24

Finding the Fourth Proportional to 91,639,812.48, 126,459,540.16 and 50,384,250.24

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Solution

The fourth proportional to 91,639,812.48, 126,459,540.16 and 50,384,250.24 is: 69,528,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,639,812.48 : 126,459,540.16 = 50,384,250.24 : x
  2. Step 2: Convert to fraction form
    91,639,812.48/126,459,540.16 = 50,384,250.24/x
  3. Step 3: Cross multiply
    91,639,812.48x = 126,459,540.16 × 50,384,250.24
  4. Step 4: Simplify right side
    91,639,812.48x = 6,371,569,116,656,770
  5. Step 5: Solve for x
    x = 6,371,569,116,656,770/91,639,812.48
  6. Step 6: Final answer
    x = 69,528,395.40

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1.5x scale

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.