Home / 85,063,623.10-127,595,434.65-39,630,010.30

Finding the Fourth Proportional to 85,063,623.10, 127,595,434.65 and 39,630,010.30

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Solution

The fourth proportional to 85,063,623.10, 127,595,434.65 and 39,630,010.30 is: 59,445,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,063,623.10 : 127,595,434.65 = 39,630,010.30 : x
  2. Step 2: Convert to fraction form
    85,063,623.10/127,595,434.65 = 39,630,010.30/x
  3. Step 3: Cross multiply
    85,063,623.10x = 127,595,434.65 × 39,630,010.30
  4. Step 4: Simplify right side
    85,063,623.10x = 5,056,608,389,412,477
  5. Step 5: Solve for x
    x = 5,056,608,389,412,477/85,063,623.10
  6. Step 6: Final answer
    x = 59,445,015.45

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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.