Home / 189,085,594.88-260,938,121.76-102,165,466.88

Finding the Fourth Proportional to 189,085,594.88, 260,938,121.76 and 102,165,466.88

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Solution

The fourth proportional to 189,085,594.88, 260,938,121.76 and 102,165,466.88 is: 140,988,344.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,085,594.88 : 260,938,121.76 = 102,165,466.88 : x
  2. Step 2: Convert to fraction form
    189,085,594.88/260,938,121.76 = 102,165,466.88/x
  3. Step 3: Cross multiply
    189,085,594.88x = 260,938,121.76 × 102,165,466.88
  4. Step 4: Simplify right side
    189,085,594.88x = 26,658,865,036,400,684
  5. Step 5: Solve for x
    x = 26,658,865,036,400,684/189,085,594.88
  6. Step 6: Final answer
    x = 140,988,344.74

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1.5x scale

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.