Home / 401,727,331.40-602,441,697.90-159,340,080.20

Finding the Fourth Proportional to 401,727,331.40, 602,441,697.90 and 159,340,080.20

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Solution

The fourth proportional to 401,727,331.40, 602,441,697.90 and 159,340,080.20 is: 238,950,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,727,331.40 : 602,441,697.90 = 159,340,080.20 : x
  2. Step 2: Convert to fraction form
    401,727,331.40/602,441,697.90 = 159,340,080.20/x
  3. Step 3: Cross multiply
    401,727,331.40x = 602,441,697.90 × 159,340,080.20
  4. Step 4: Simplify right side
    401,727,331.40x = 95,993,108,459,210,160
  5. Step 5: Solve for x
    x = 95,993,108,459,210,160/401,727,331.40
  6. Step 6: Final answer
    x = 238,950,902.65

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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.