Home / 73,163,915.83-109,745,921.13-18,580,594.87

Finding the Fourth Proportional to 73,163,915.83, 109,745,921.13 and 18,580,594.87

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Solution

The fourth proportional to 73,163,915.83, 109,745,921.13 and 18,580,594.87 is: 27,870,904.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,163,915.83 : 109,745,921.13 = 18,580,594.87 : x
  2. Step 2: Convert to fraction form
    73,163,915.83/109,745,921.13 = 18,580,594.87/x
  3. Step 3: Cross multiply
    73,163,915.83x = 109,745,921.13 × 18,580,594.87
  4. Step 4: Simplify right side
    73,163,915.83x = 2,039,144,499,151,502.75
  5. Step 5: Solve for x
    x = 2,039,144,499,151,502.75/73,163,915.83
  6. Step 6: Final answer
    x = 27,870,904.34

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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.