Home / 86,697,024.96-119,643,239.52-47,542,376.64

Finding the Fourth Proportional to 86,697,024.96, 119,643,239.52 and 47,542,376.64

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Solution

The fourth proportional to 86,697,024.96, 119,643,239.52 and 47,542,376.64 is: 65,609,217.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,697,024.96 : 119,643,239.52 = 47,542,376.64 : x
  2. Step 2: Convert to fraction form
    86,697,024.96/119,643,239.52 = 47,542,376.64/x
  3. Step 3: Cross multiply
    86,697,024.96x = 119,643,239.52 × 47,542,376.64
  4. Step 4: Simplify right side
    86,697,024.96x = 5,688,123,955,689,573
  5. Step 5: Solve for x
    x = 5,688,123,955,689,573/86,697,024.96
  6. Step 6: Final answer
    x = 65,609,217.37

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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.