Home / 56,776,009.70-85,164,014.55-56,178,812.90

Finding the Fourth Proportional to 56,776,009.70, 85,164,014.55 and 56,178,812.90

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Solution

The fourth proportional to 56,776,009.70, 85,164,014.55 and 56,178,812.90 is: 84,268,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,776,009.70 : 85,164,014.55 = 56,178,812.90 : x
  2. Step 2: Convert to fraction form
    56,776,009.70/85,164,014.55 = 56,178,812.90/x
  3. Step 3: Cross multiply
    56,776,009.70x = 85,164,014.55 × 56,178,812.90
  4. Step 4: Simplify right side
    56,776,009.70x = 4,784,413,239,217,327
  5. Step 5: Solve for x
    x = 4,784,413,239,217,327/56,776,009.70
  6. Step 6: Final answer
    x = 84,268,219.35

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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.