Home / 254,668,029.60-382,002,044.40-90,984,201.60

Finding the Fourth Proportional to 254,668,029.60, 382,002,044.40 and 90,984,201.60

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Solution

The fourth proportional to 254,668,029.60, 382,002,044.40 and 90,984,201.60 is: 136,476,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,668,029.60 : 382,002,044.40 = 90,984,201.60 : x
  2. Step 2: Convert to fraction form
    254,668,029.60/382,002,044.40 = 90,984,201.60/x
  3. Step 3: Cross multiply
    254,668,029.60x = 382,002,044.40 × 90,984,201.60
  4. Step 4: Simplify right side
    254,668,029.60x = 34,756,151,019,301,748
  5. Step 5: Solve for x
    x = 34,756,151,019,301,748/254,668,029.60
  6. Step 6: Final answer
    x = 136,476,302.40

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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.