Home / 231,787,012,085.80-347,680,518,128.70-66,351,554,549.80

Finding the Fourth Proportional to 231,787,012,085.80, 347,680,518,128.70 and 66,351,554,549.80

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Solution

The fourth proportional to 231,787,012,085.80, 347,680,518,128.70 and 66,351,554,549.80 is: 99,527,331,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,012,085.80 : 347,680,518,128.70 = 66,351,554,549.80 : x
  2. Step 2: Convert to fraction form
    231,787,012,085.80/347,680,518,128.70 = 66,351,554,549.80/x
  3. Step 3: Cross multiply
    231,787,012,085.80x = 347,680,518,128.70 × 66,351,554,549.80
  4. Step 4: Simplify right side
    231,787,012,085.80x = 23,069,142,864,519,166,427,136
  5. Step 5: Solve for x
    x = 23,069,142,864,519,166,427,136/231,787,012,085.80
  6. Step 6: Final answer
    x = 99,527,331,824.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.