Home / 145,772,395.32-218,713,820.25-87,520,753.68

Finding the Fourth Proportional to 145,772,395.32, 218,713,820.25 and 87,520,753.68

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Solution

The fourth proportional to 145,772,395.32, 218,713,820.25 and 87,520,753.68 is: 131,314,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,772,395.32 : 218,713,820.25 = 87,520,753.68 : x
  2. Step 2: Convert to fraction form
    145,772,395.32/218,713,820.25 = 87,520,753.68/x
  3. Step 3: Cross multiply
    145,772,395.32x = 218,713,820.25 × 87,520,753.68
  4. Step 4: Simplify right side
    145,772,395.32x = 19,141,998,388,512,048
  5. Step 5: Solve for x
    x = 19,141,998,388,512,048/145,772,395.32
  6. Step 6: Final answer
    x = 131,314,288.60

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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.