Home / 86,339,393.13-119,160,513.55-54,967,420.33

Finding the Fourth Proportional to 86,339,393.13, 119,160,513.55 and 54,967,420.33

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Solution

The fourth proportional to 86,339,393.13, 119,160,513.55 and 54,967,420.33 is: 75,862,775.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,339,393.13 : 119,160,513.55 = 54,967,420.33 : x
  2. Step 2: Convert to fraction form
    86,339,393.13/119,160,513.55 = 54,967,420.33/x
  3. Step 3: Cross multiply
    86,339,393.13x = 119,160,513.55 × 54,967,420.33
  4. Step 4: Simplify right side
    86,339,393.13x = 6,549,946,034,812,318
  5. Step 5: Solve for x
    x = 6,549,946,034,812,318/86,339,393.13
  6. Step 6: Final answer
    x = 75,862,775.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.