Home / 81,815,433.40-112,907,693.78-44,648,108.60

Finding the Fourth Proportional to 81,815,433.40, 112,907,693.78 and 44,648,108.60

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Solution

The fourth proportional to 81,815,433.40, 112,907,693.78 and 44,648,108.60 is: 61,615,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,815,433.40 : 112,907,693.78 = 44,648,108.60 : x
  2. Step 2: Convert to fraction form
    81,815,433.40/112,907,693.78 = 44,648,108.60/x
  3. Step 3: Cross multiply
    81,815,433.40x = 112,907,693.78 × 44,648,108.60
  4. Step 4: Simplify right side
    81,815,433.40x = 5,041,114,973,664,985
  5. Step 5: Solve for x
    x = 5,041,114,973,664,985/81,815,433.40
  6. Step 6: Final answer
    x = 61,615,697.24

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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.