Home / 126,027,513,156.78-173,918,492,147.04-68,155,892,971.14

Finding the Fourth Proportional to 126,027,513,156.78, 173,918,492,147.04 and 68,155,892,971.14

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Solution

The fourth proportional to 126,027,513,156.78, 173,918,492,147.04 and 68,155,892,971.14 is: 94,055,415,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027,513,156.78 : 173,918,492,147.04 = 68,155,892,971.14 : x
  2. Step 2: Convert to fraction form
    126,027,513,156.78/173,918,492,147.04 = 68,155,892,971.14/x
  3. Step 3: Cross multiply
    126,027,513,156.78x = 173,918,492,147.04 × 68,155,892,971.14
  4. Step 4: Simplify right side
    126,027,513,156.78x = 11,853,570,136,475,711,832,064
  5. Step 5: Solve for x
    x = 11,853,570,136,475,711,832,064/126,027,513,156.78
  6. Step 6: Final answer
    x = 94,055,415,675.22

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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.