Home / 64,152,010.80-96,231,702.60-18,720,817.20

Finding the Fourth Proportional to 64,152,010.80, 96,231,702.60 and 18,720,817.20

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Solution

The fourth proportional to 64,152,010.80, 96,231,702.60 and 18,720,817.20 is: 28,082,301.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,010.80 : 96,231,702.60 = 18,720,817.20 : x
  2. Step 2: Convert to fraction form
    64,152,010.80/96,231,702.60 = 18,720,817.20/x
  3. Step 3: Cross multiply
    64,152,010.80x = 96,231,702.60 × 18,720,817.20
  4. Step 4: Simplify right side
    64,152,010.80x = 1,801,536,113,219,364.50
  5. Step 5: Solve for x
    x = 1,801,536,113,219,364.50/64,152,010.80
  6. Step 6: Final answer
    x = 28,082,301.56

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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.