Home / 56,805,007.60-85,207,511.40-43,368,079.60

Finding the Fourth Proportional to 56,805,007.60, 85,207,511.40 and 43,368,079.60

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Solution

The fourth proportional to 56,805,007.60, 85,207,511.40 and 43,368,079.60 is: 65,052,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,805,007.60 : 85,207,511.40 = 43,368,079.60 : x
  2. Step 2: Convert to fraction form
    56,805,007.60/85,207,511.40 = 43,368,079.60/x
  3. Step 3: Cross multiply
    56,805,007.60x = 85,207,511.40 × 43,368,079.60
  4. Step 4: Simplify right side
    56,805,007.60x = 3,695,286,136,913,108
  5. Step 5: Solve for x
    x = 3,695,286,136,913,108/56,805,007.60
  6. Step 6: Final answer
    x = 65,052,119.40

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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.