Home / 91,937,116.80-126,874,086.90-50,685,485.40

Finding the Fourth Proportional to 91,937,116.80, 126,874,086.90 and 50,685,485.40

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Solution

The fourth proportional to 91,937,116.80, 126,874,086.90 and 50,685,485.40 is: 69,946,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,937,116.80 : 126,874,086.90 = 50,685,485.40 : x
  2. Step 2: Convert to fraction form
    91,937,116.80/126,874,086.90 = 50,685,485.40/x
  3. Step 3: Cross multiply
    91,937,116.80x = 126,874,086.90 × 50,685,485.40
  4. Step 4: Simplify right side
    91,937,116.80x = 6,430,674,679,208,281
  5. Step 5: Solve for x
    x = 6,430,674,679,208,281/91,937,116.80
  6. Step 6: Final answer
    x = 69,946,447.13

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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.