Home / 146,228,005.32-201,791,213.46-81,036,509.64

Finding the Fourth Proportional to 146,228,005.32, 201,791,213.46 and 81,036,509.64

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Solution

The fourth proportional to 146,228,005.32, 201,791,213.46 and 81,036,509.64 is: 111,828,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,228,005.32 : 201,791,213.46 = 81,036,509.64 : x
  2. Step 2: Convert to fraction form
    146,228,005.32/201,791,213.46 = 81,036,509.64/x
  3. Step 3: Cross multiply
    146,228,005.32x = 201,791,213.46 × 81,036,509.64
  4. Step 4: Simplify right side
    146,228,005.32x = 16,352,455,614,818,588
  5. Step 5: Solve for x
    x = 16,352,455,614,818,588/146,228,005.32
  6. Step 6: Final answer
    x = 111,828,480.32

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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.