Home / 61,245,161.40-91,867,742.10-54,549,004.80

Finding the Fourth Proportional to 61,245,161.40, 91,867,742.10 and 54,549,004.80

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Solution

The fourth proportional to 61,245,161.40, 91,867,742.10 and 54,549,004.80 is: 81,823,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,245,161.40 : 91,867,742.10 = 54,549,004.80 : x
  2. Step 2: Convert to fraction form
    61,245,161.40/91,867,742.10 = 54,549,004.80/x
  3. Step 3: Cross multiply
    61,245,161.40x = 91,867,742.10 × 54,549,004.80
  4. Step 4: Simplify right side
    61,245,161.40x = 5,011,293,904,778,061
  5. Step 5: Solve for x
    x = 5,011,293,904,778,061/61,245,161.40
  6. Step 6: Final answer
    x = 81,823,507.20

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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.