Home / 262,872,690.90-394,271,711.55-90,357,465.30

Finding the Fourth Proportional to 262,872,690.90, 394,271,711.55 and 90,357,465.30

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Solution

The fourth proportional to 262,872,690.90, 394,271,711.55 and 90,357,465.30 is: 135,523,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,872,690.90 : 394,271,711.55 = 90,357,465.30 : x
  2. Step 2: Convert to fraction form
    262,872,690.90/394,271,711.55 = 90,357,465.30/x
  3. Step 3: Cross multiply
    262,872,690.90x = 394,271,711.55 × 90,357,465.30
  4. Step 4: Simplify right side
    262,872,690.90x = 35,625,392,495,150,736
  5. Step 5: Solve for x
    x = 35,625,392,495,150,736/262,872,690.90
  6. Step 6: Final answer
    x = 135,523,368.26

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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.