Home / 65,253,878.30-90,048,556.31-35,885,210.86

Finding the Fourth Proportional to 65,253,878.30, 90,048,556.31 and 35,885,210.86

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Solution

The fourth proportional to 65,253,878.30, 90,048,556.31 and 35,885,210.86 is: 49,520,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,253,878.30 : 90,048,556.31 = 35,885,210.86 : x
  2. Step 2: Convert to fraction form
    65,253,878.30/90,048,556.31 = 35,885,210.86/x
  3. Step 3: Cross multiply
    65,253,878.30x = 90,048,556.31 × 35,885,210.86
  4. Step 4: Simplify right side
    65,253,878.30x = 3,231,411,430,822,933.50
  5. Step 5: Solve for x
    x = 3,231,411,430,822,933.50/65,253,878.30
  6. Step 6: Final answer
    x = 49,520,603.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.