Home / 81,815,372.16-112,907,609.25-44,648,047.32

Finding the Fourth Proportional to 81,815,372.16, 112,907,609.25 and 44,648,047.32

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Solution

The fourth proportional to 81,815,372.16, 112,907,609.25 and 44,648,047.32 is: 61,615,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,815,372.16 : 112,907,609.25 = 44,648,047.32 : x
  2. Step 2: Convert to fraction form
    81,815,372.16/112,907,609.25 = 44,648,047.32/x
  3. Step 3: Cross multiply
    81,815,372.16x = 112,907,609.25 × 44,648,047.32
  4. Step 4: Simplify right side
    81,815,372.16x = 5,041,104,280,582,070
  5. Step 5: Solve for x
    x = 5,041,104,280,582,070/81,815,372.16
  6. Step 6: Final answer
    x = 61,615,612.66

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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.