Home / 66,893,615.70-100,340,423.55-21,460,002.90

Finding the Fourth Proportional to 66,893,615.70, 100,340,423.55 and 21,460,002.90

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Solution

The fourth proportional to 66,893,615.70, 100,340,423.55 and 21,460,002.90 is: 32,190,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,893,615.70 : 100,340,423.55 = 21,460,002.90 : x
  2. Step 2: Convert to fraction form
    66,893,615.70/100,340,423.55 = 21,460,002.90/x
  3. Step 3: Cross multiply
    66,893,615.70x = 100,340,423.55 × 21,460,002.90
  4. Step 4: Simplify right side
    66,893,615.70x = 2,153,305,780,370,228
  5. Step 5: Solve for x
    x = 2,153,305,780,370,228/66,893,615.70
  6. Step 6: Final answer
    x = 32,190,004.35

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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.