Home / 168,057,783,975.60-231,919,048,532.98-90,895,709,897.10

Finding the Fourth Proportional to 168,057,783,975.60, 231,919,048,532.98 and 90,895,709,897.10

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Solution

The fourth proportional to 168,057,783,975.60, 231,919,048,532.98 and 90,895,709,897.10 is: 125,435,704,651.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,057,783,975.60 : 231,919,048,532.98 = 90,895,709,897.10 : x
  2. Step 2: Convert to fraction form
    168,057,783,975.60/231,919,048,532.98 = 90,895,709,897.10/x
  3. Step 3: Cross multiply
    168,057,783,975.60x = 231,919,048,532.98 × 90,895,709,897.10
  4. Step 4: Simplify right side
    168,057,783,975.60x = 21,080,446,555,065,208,012,800
  5. Step 5: Solve for x
    x = 21,080,446,555,065,208,012,800/168,057,783,975.60
  6. Step 6: Final answer
    x = 125,435,704,651.00

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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.