Home / 69,762,421.50-96,281,308.98-40,004,714.85

Finding the Fourth Proportional to 69,762,421.50, 96,281,308.98 and 40,004,714.85

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Solution

The fourth proportional to 69,762,421.50, 96,281,308.98 and 40,004,714.85 is: 55,211,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,762,421.50 : 96,281,308.98 = 40,004,714.85 : x
  2. Step 2: Convert to fraction form
    69,762,421.50/96,281,308.98 = 40,004,714.85/x
  3. Step 3: Cross multiply
    69,762,421.50x = 96,281,308.98 × 40,004,714.85
  4. Step 4: Simplify right side
    69,762,421.50x = 3,851,706,311,129,644.50
  5. Step 5: Solve for x
    x = 3,851,706,311,129,644.50/69,762,421.50
  6. Step 6: Final answer
    x = 55,211,763.42

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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.