Home / 60,051,456.80-90,085,240.89-21,180,771.29

Finding the Fourth Proportional to 60,051,456.80, 90,085,240.89 and 21,180,771.29

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Solution

The fourth proportional to 60,051,456.80, 90,085,240.89 and 21,180,771.29 is: 31,773,998.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,051,456.80 : 90,085,240.89 = 21,180,771.29 : x
  2. Step 2: Convert to fraction form
    60,051,456.80/90,085,240.89 = 21,180,771.29/x
  3. Step 3: Cross multiply
    60,051,456.80x = 90,085,240.89 × 21,180,771.29
  4. Step 4: Simplify right side
    60,051,456.80x = 1,908,074,883,445,219.75
  5. Step 5: Solve for x
    x = 1,908,074,883,445,219.75/60,051,456.80
  6. Step 6: Final answer
    x = 31,773,998.26

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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.