Home / 126,027,513,143.48-173,918,492,128.32-68,155,892,957.72

Finding the Fourth Proportional to 126,027,513,143.48, 173,918,492,128.32 and 68,155,892,957.72

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Solution

The fourth proportional to 126,027,513,143.48, 173,918,492,128.32 and 68,155,892,957.72 is: 94,055,415,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027,513,143.48 : 173,918,492,128.32 = 68,155,892,957.72 : x
  2. Step 2: Convert to fraction form
    126,027,513,143.48/173,918,492,128.32 = 68,155,892,957.72/x
  3. Step 3: Cross multiply
    126,027,513,143.48x = 173,918,492,128.32 × 68,155,892,957.72
  4. Step 4: Simplify right side
    126,027,513,143.48x = 11,853,570,132,865,846,345,728
  5. Step 5: Solve for x
    x = 11,853,570,132,865,846,345,728/126,027,513,143.48
  6. Step 6: Final answer
    x = 94,055,415,656.51

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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.