Home / 64,230,078.72-88,570,508.16-38,119,551.96

Finding the Fourth Proportional to 64,230,078.72, 88,570,508.16 and 38,119,551.96

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Solution

The fourth proportional to 64,230,078.72, 88,570,508.16 and 38,119,551.96 is: 52,565,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,230,078.72 : 88,570,508.16 = 38,119,551.96 : x
  2. Step 2: Convert to fraction form
    64,230,078.72/88,570,508.16 = 38,119,551.96/x
  3. Step 3: Cross multiply
    64,230,078.72x = 88,570,508.16 × 38,119,551.96
  4. Step 4: Simplify right side
    64,230,078.72x = 3,376,268,087,928,724
  5. Step 5: Solve for x
    x = 3,376,268,087,928,724/64,230,078.72
  6. Step 6: Final answer
    x = 52,565,217.97

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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.