Home / 111,015,177.92-153,202,157.64-61,456,379.42

Finding the Fourth Proportional to 111,015,177.92, 153,202,157.64 and 61,456,379.42

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Solution

The fourth proportional to 111,015,177.92, 153,202,157.64 and 61,456,379.42 is: 84,810,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,015,177.92 : 153,202,157.64 = 61,456,379.42 : x
  2. Step 2: Convert to fraction form
    111,015,177.92/153,202,157.64 = 61,456,379.42/x
  3. Step 3: Cross multiply
    111,015,177.92x = 153,202,157.64 × 61,456,379.42
  4. Step 4: Simplify right side
    111,015,177.92x = 9,415,249,927,886,492
  5. Step 5: Solve for x
    x = 9,415,249,927,886,492/111,015,177.92
  6. Step 6: Final answer
    x = 84,810,474.61

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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.