Home / 60,090,386.40-90,135,579.60-21,738,060.90

Finding the Fourth Proportional to 60,090,386.40, 90,135,579.60 and 21,738,060.90

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Solution

The fourth proportional to 60,090,386.40, 90,135,579.60 and 21,738,060.90 is: 32,607,091.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,090,386.40 : 90,135,579.60 = 21,738,060.90 : x
  2. Step 2: Convert to fraction form
    60,090,386.40/90,135,579.60 = 21,738,060.90/x
  3. Step 3: Cross multiply
    60,090,386.40x = 90,135,579.60 × 21,738,060.90
  4. Step 4: Simplify right side
    60,090,386.40x = 1,959,372,718,601,597.50
  5. Step 5: Solve for x
    x = 1,959,372,718,601,597.50/60,090,386.40
  6. Step 6: Final answer
    x = 32,607,091.35

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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.