Home / 65,570,020.05-90,484,823.79-36,200,818.92

Finding the Fourth Proportional to 65,570,020.05, 90,484,823.79 and 36,200,818.92

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Solution

The fourth proportional to 65,570,020.05, 90,484,823.79 and 36,200,818.92 is: 49,956,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,570,020.05 : 90,484,823.79 = 36,200,818.92 : x
  2. Step 2: Convert to fraction form
    65,570,020.05/90,484,823.79 = 36,200,818.92/x
  3. Step 3: Cross multiply
    65,570,020.05x = 90,484,823.79 × 36,200,818.92
  4. Step 4: Simplify right side
    65,570,020.05x = 3,275,624,721,029,898.50
  5. Step 5: Solve for x
    x = 3,275,624,721,029,898.50/65,570,020.05
  6. Step 6: Final answer
    x = 49,956,134.20

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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.