Home / 76,235,008.08-114,359,364.72-21,648,129.60

Finding the Fourth Proportional to 76,235,008.08, 114,359,364.72 and 21,648,129.60

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Solution

The fourth proportional to 76,235,008.08, 114,359,364.72 and 21,648,129.60 is: 32,474,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,235,008.08 : 114,359,364.72 = 21,648,129.60 : x
  2. Step 2: Convert to fraction form
    76,235,008.08/114,359,364.72 = 21,648,129.60/x
  3. Step 3: Cross multiply
    76,235,008.08x = 114,359,364.72 × 21,648,129.60
  4. Step 4: Simplify right side
    76,235,008.08x = 2,475,666,348,432,228
  5. Step 5: Solve for x
    x = 2,475,666,348,432,228/76,235,008.08
  6. Step 6: Final answer
    x = 32,474,140.30

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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.