Home / 254,452,317.40-381,678,476.10-90,874,777.60

Finding the Fourth Proportional to 254,452,317.40, 381,678,476.10 and 90,874,777.60

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Solution

The fourth proportional to 254,452,317.40, 381,678,476.10 and 90,874,777.60 is: 136,312,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,452,317.40 : 381,678,476.10 = 90,874,777.60 : x
  2. Step 2: Convert to fraction form
    254,452,317.40/381,678,476.10 = 90,874,777.60/x
  3. Step 3: Cross multiply
    254,452,317.40x = 381,678,476.10 × 90,874,777.60
  4. Step 4: Simplify right side
    254,452,317.40x = 34,684,946,630,294,416
  5. Step 5: Solve for x
    x = 34,684,946,630,294,416/254,452,317.40
  6. Step 6: Final answer
    x = 136,312,166.40

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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.