Home / 55,134,010.80-82,701,016.20-52,488,615.60

Finding the Fourth Proportional to 55,134,010.80, 82,701,016.20 and 52,488,615.60

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Solution

The fourth proportional to 55,134,010.80, 82,701,016.20 and 52,488,615.60 is: 78,732,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,134,010.80 : 82,701,016.20 = 52,488,615.60 : x
  2. Step 2: Convert to fraction form
    55,134,010.80/82,701,016.20 = 52,488,615.60/x
  3. Step 3: Cross multiply
    55,134,010.80x = 82,701,016.20 × 52,488,615.60
  4. Step 4: Simplify right side
    55,134,010.80x = 4,340,861,849,051,173
  5. Step 5: Solve for x
    x = 4,340,861,849,051,173/55,134,010.80
  6. Step 6: Final answer
    x = 78,732,923.40

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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.