Home / 152,736,511.96-210,776,932.38-83,122,727.32

Finding the Fourth Proportional to 152,736,511.96, 210,776,932.38 and 83,122,727.32

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Solution

The fourth proportional to 152,736,511.96, 210,776,932.38 and 83,122,727.32 is: 114,709,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,736,511.96 : 210,776,932.38 = 83,122,727.32 : x
  2. Step 2: Convert to fraction form
    152,736,511.96/210,776,932.38 = 83,122,727.32/x
  3. Step 3: Cross multiply
    152,736,511.96x = 210,776,932.38 × 83,122,727.32
  4. Step 4: Simplify right side
    152,736,511.96x = 17,520,353,475,568,816
  5. Step 5: Solve for x
    x = 17,520,353,475,568,816/152,736,511.96
  6. Step 6: Final answer
    x = 114,709,660.78

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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.