Home / 119,728,126,771.48-165,225,845,307.39-68,289,292,127.55

Finding the Fourth Proportional to 119,728,126,771.48, 165,225,845,307.39 and 68,289,292,127.55

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Solution

The fourth proportional to 119,728,126,771.48, 165,225,845,307.39 and 68,289,292,127.55 is: 94,239,810,823.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,728,126,771.48 : 165,225,845,307.39 = 68,289,292,127.55 : x
  2. Step 2: Convert to fraction form
    119,728,126,771.48/165,225,845,307.39 = 68,289,292,127.55/x
  3. Step 3: Cross multiply
    119,728,126,771.48x = 165,225,845,307.39 × 68,289,292,127.55
  4. Step 4: Simplify right side
    119,728,126,771.48x = 11,283,156,017,218,238,545,920
  5. Step 5: Solve for x
    x = 11,283,156,017,218,238,545,920/119,728,126,771.48
  6. Step 6: Final answer
    x = 94,239,810,823.68

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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.