Home / 82,787,528.88-114,241,641.28-45,615,728.96

Finding the Fourth Proportional to 82,787,528.88, 114,241,641.28 and 45,615,728.96

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Solution

The fourth proportional to 82,787,528.88, 114,241,641.28 and 45,615,728.96 is: 62,946,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,787,528.88 : 114,241,641.28 = 45,615,728.96 : x
  2. Step 2: Convert to fraction form
    82,787,528.88/114,241,641.28 = 45,615,728.96/x
  3. Step 3: Cross multiply
    82,787,528.88x = 114,241,641.28 × 45,615,728.96
  4. Step 4: Simplify right side
    82,787,528.88x = 5,211,215,744,574,028
  5. Step 5: Solve for x
    x = 5,211,215,744,574,028/82,787,528.88
  6. Step 6: Final answer
    x = 62,946,869.11

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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.