Home / 56,784,080.80-85,176,121.20-35,243,005.60

Finding the Fourth Proportional to 56,784,080.80, 85,176,121.20 and 35,243,005.60

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Solution

The fourth proportional to 56,784,080.80, 85,176,121.20 and 35,243,005.60 is: 52,864,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,784,080.80 : 85,176,121.20 = 35,243,005.60 : x
  2. Step 2: Convert to fraction form
    56,784,080.80/85,176,121.20 = 35,243,005.60/x
  3. Step 3: Cross multiply
    56,784,080.80x = 85,176,121.20 × 35,243,005.60
  4. Step 4: Simplify right side
    56,784,080.80x = 3,001,862,516,437,879
  5. Step 5: Solve for x
    x = 3,001,862,516,437,879/56,784,080.80
  6. Step 6: Final answer
    x = 52,864,508.40

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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.