Home / 152,588,786.73-210,566,118.56-86,513,730.90

Finding the Fourth Proportional to 152,588,786.73, 210,566,118.56 and 86,513,730.90

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Solution

The fourth proportional to 152,588,786.73, 210,566,118.56 and 86,513,730.90 is: 119,385,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,588,786.73 : 210,566,118.56 = 86,513,730.90 : x
  2. Step 2: Convert to fraction form
    152,588,786.73/210,566,118.56 = 86,513,730.90/x
  3. Step 3: Cross multiply
    152,588,786.73x = 210,566,118.56 × 86,513,730.90
  4. Step 4: Simplify right side
    152,588,786.73x = 18,216,860,517,324,768
  5. Step 5: Solve for x
    x = 18,216,860,517,324,768/152,588,786.73
  6. Step 6: Final answer
    x = 119,385,315.97

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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.