Home / 345,282,449.66-518,292,368.50-148,643,190.69

Finding the Fourth Proportional to 345,282,449.66, 518,292,368.50 and 148,643,190.69

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Solution

The fourth proportional to 345,282,449.66, 518,292,368.50 and 148,643,190.69 is: 223,123,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,282,449.66 : 518,292,368.50 = 148,643,190.69 : x
  2. Step 2: Convert to fraction form
    345,282,449.66/518,292,368.50 = 148,643,190.69/x
  3. Step 3: Cross multiply
    345,282,449.66x = 518,292,368.50 × 148,643,190.69
  4. Step 4: Simplify right side
    345,282,449.66x = 77,040,631,364,117,248
  5. Step 5: Solve for x
    x = 77,040,631,364,117,248/345,282,449.66
  6. Step 6: Final answer
    x = 223,123,507.84

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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.