Home / 55,473,561.79-76,555,771.58-30,693,345.80

Finding the Fourth Proportional to 55,473,561.79, 76,555,771.58 and 30,693,345.80

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Solution

The fourth proportional to 55,473,561.79, 76,555,771.58 and 30,693,345.80 is: 42,358,065.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,473,561.79 : 76,555,771.58 = 30,693,345.80 : x
  2. Step 2: Convert to fraction form
    55,473,561.79/76,555,771.58 = 30,693,345.80/x
  3. Step 3: Cross multiply
    55,473,561.79x = 76,555,771.58 × 30,693,345.80
  4. Step 4: Simplify right side
    55,473,561.79x = 2,349,752,769,784,707
  5. Step 5: Solve for x
    x = 2,349,752,769,784,707/55,473,561.79
  6. Step 6: Final answer
    x = 42,358,065.61

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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.