Home / 345,312,069.87-518,336,833.02-148,672,863.75

Finding the Fourth Proportional to 345,312,069.87, 518,336,833.02 and 148,672,863.75

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Solution

The fourth proportional to 345,312,069.87, 518,336,833.02 and 148,672,863.75 is: 223,168,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,312,069.87 : 518,336,833.02 = 148,672,863.75 : x
  2. Step 2: Convert to fraction form
    345,312,069.87/518,336,833.02 = 148,672,863.75/x
  3. Step 3: Cross multiply
    345,312,069.87x = 518,336,833.02 × 148,672,863.75
  4. Step 4: Simplify right side
    345,312,069.87x = 77,062,621,352,188,960
  5. Step 5: Solve for x
    x = 77,062,621,352,188,960/345,312,069.87
  6. Step 6: Final answer
    x = 223,168,050.23

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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.