Home / 56,745,666.08-85,110,518.80-18,407,517.12

Finding the Fourth Proportional to 56,745,666.08, 85,110,518.80 and 18,407,517.12

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Solution

The fourth proportional to 56,745,666.08, 85,110,518.80 and 18,407,517.12 is: 27,608,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,745,666.08 : 85,110,518.80 = 18,407,517.12 : x
  2. Step 2: Convert to fraction form
    56,745,666.08/85,110,518.80 = 18,407,517.12/x
  3. Step 3: Cross multiply
    56,745,666.08x = 85,110,518.80 × 18,407,517.12
  4. Step 4: Simplify right side
    56,745,666.08x = 1,566,673,331,903,082
  5. Step 5: Solve for x
    x = 1,566,673,331,903,082/56,745,666.08
  6. Step 6: Final answer
    x = 27,608,686.97

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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.