Home / 76,468,648.10-105,539,390.15-45,114,362.60

Finding the Fourth Proportional to 76,468,648.10, 105,539,390.15 and 45,114,362.60

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Solution

The fourth proportional to 76,468,648.10, 105,539,390.15 and 45,114,362.60 is: 62,265,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,468,648.10 : 105,539,390.15 = 45,114,362.60 : x
  2. Step 2: Convert to fraction form
    76,468,648.10/105,539,390.15 = 45,114,362.60/x
  3. Step 3: Cross multiply
    76,468,648.10x = 105,539,390.15 × 45,114,362.60
  4. Step 4: Simplify right side
    76,468,648.10x = 4,761,342,315,809,969
  5. Step 5: Solve for x
    x = 4,761,342,315,809,969/76,468,648.10
  6. Step 6: Final answer
    x = 62,265,286.94

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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.