Home / 202,377,980.21-279,281,706.13-109,558,488.06

Finding the Fourth Proportional to 202,377,980.21, 279,281,706.13 and 109,558,488.06

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Solution

The fourth proportional to 202,377,980.21, 279,281,706.13 and 109,558,488.06 is: 151,190,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,377,980.21 : 279,281,706.13 = 109,558,488.06 : x
  2. Step 2: Convert to fraction form
    202,377,980.21/279,281,706.13 = 109,558,488.06/x
  3. Step 3: Cross multiply
    202,377,980.21x = 279,281,706.13 × 109,558,488.06
  4. Step 4: Simplify right side
    202,377,980.21x = 30,597,681,465,023,628
  5. Step 5: Solve for x
    x = 30,597,681,465,023,628/202,377,980.21
  6. Step 6: Final answer
    x = 151,190,764.10

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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.