Home / 86,710,171.80-119,649,039.18-47,541,641.52

Finding the Fourth Proportional to 86,710,171.80, 119,649,039.18 and 47,541,641.52

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Solution

The fourth proportional to 86,710,171.80, 119,649,039.18 and 47,541,641.52 is: 65,601,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,710,171.80 : 119,649,039.18 = 47,541,641.52 : x
  2. Step 2: Convert to fraction form
    86,710,171.80/119,649,039.18 = 47,541,641.52/x
  3. Step 3: Cross multiply
    86,710,171.80x = 119,649,039.18 × 47,541,641.52
  4. Step 4: Simplify right side
    86,710,171.80x = 5,688,311,728,907,995
  5. Step 5: Solve for x
    x = 5,688,311,728,907,995/86,710,171.80
  6. Step 6: Final answer
    x = 65,601,435.34

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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.