Home / 145,151,911.62-200,309,549.72-79,961,815.62

Finding the Fourth Proportional to 145,151,911.62, 200,309,549.72 and 79,961,815.62

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Solution

The fourth proportional to 145,151,911.62, 200,309,549.72 and 79,961,815.62 is: 110,347,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,151,911.62 : 200,309,549.72 = 79,961,815.62 : x
  2. Step 2: Convert to fraction form
    145,151,911.62/200,309,549.72 = 79,961,815.62/x
  3. Step 3: Cross multiply
    145,151,911.62x = 200,309,549.72 × 79,961,815.62
  4. Step 4: Simplify right side
    145,151,911.62x = 16,017,115,281,236,054
  5. Step 5: Solve for x
    x = 16,017,115,281,236,054/145,151,911.62
  6. Step 6: Final answer
    x = 110,347,256.90

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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.