Home / 144,701,637.80-217,052,456.70-87,306,009.80

Finding the Fourth Proportional to 144,701,637.80, 217,052,456.70 and 87,306,009.80

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Solution

The fourth proportional to 144,701,637.80, 217,052,456.70 and 87,306,009.80 is: 130,959,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,701,637.80 : 217,052,456.70 = 87,306,009.80 : x
  2. Step 2: Convert to fraction form
    144,701,637.80/217,052,456.70 = 87,306,009.80/x
  3. Step 3: Cross multiply
    144,701,637.80x = 217,052,456.70 × 87,306,009.80
  4. Step 4: Simplify right side
    144,701,637.80x = 18,949,983,911,764,272
  5. Step 5: Solve for x
    x = 18,949,983,911,764,272/144,701,637.80
  6. Step 6: Final answer
    x = 130,959,014.70

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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.