Home / 145,031,508-217,553,261.64-42,795,546.84

Finding the Fourth Proportional to 145,031,508, 217,553,261.64 and 42,795,546.84

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Solution

The fourth proportional to 145,031,508, 217,553,261.64 and 42,795,546.84 is: 64,195,090.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,031,508 : 217,553,261.64 = 42,795,546.84 : x
  2. Step 2: Convert to fraction form
    145,031,508/217,553,261.64 = 42,795,546.84/x
  3. Step 3: Cross multiply
    145,031,508x = 217,553,261.64 × 42,795,546.84
  4. Step 4: Simplify right side
    145,031,508x = 9,310,310,798,709,396
  5. Step 5: Solve for x
    x = 9,310,310,798,709,396/145,031,508
  6. Step 6: Final answer
    x = 64,195,090.62

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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.