Home / 159,444,838.02-239,080,710.06-71,903,928.72

Finding the Fourth Proportional to 159,444,838.02, 239,080,710.06 and 71,903,928.72

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Solution

The fourth proportional to 159,444,838.02, 239,080,710.06 and 71,903,928.72 is: 107,816,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,444,838.02 : 239,080,710.06 = 71,903,928.72 : x
  2. Step 2: Convert to fraction form
    159,444,838.02/239,080,710.06 = 71,903,928.72/x
  3. Step 3: Cross multiply
    159,444,838.02x = 239,080,710.06 × 71,903,928.72
  4. Step 4: Simplify right side
    159,444,838.02x = 17,190,842,334,481,226
  5. Step 5: Solve for x
    x = 17,190,842,334,481,226/159,444,838.02
  6. Step 6: Final answer
    x = 107,816,863.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.