Home / 90,191,998.80-135,287,998.20-44,842,366.80

Finding the Fourth Proportional to 90,191,998.80, 135,287,998.20 and 44,842,366.80

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Solution

The fourth proportional to 90,191,998.80, 135,287,998.20 and 44,842,366.80 is: 67,263,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,191,998.80 : 135,287,998.20 = 44,842,366.80 : x
  2. Step 2: Convert to fraction form
    90,191,998.80/135,287,998.20 = 44,842,366.80/x
  3. Step 3: Cross multiply
    90,191,998.80x = 135,287,998.20 × 44,842,366.80
  4. Step 4: Simplify right side
    90,191,998.80x = 6,066,634,038,922,139
  5. Step 5: Solve for x
    x = 6,066,634,038,922,139/90,191,998.80
  6. Step 6: Final answer
    x = 67,263,550.20

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Double scale
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Similar ratio
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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.