Home / 128,130,167,630.09-192,060,712,621.20-43,110,445,548.49

Finding the Fourth Proportional to 128,130,167,630.09, 192,060,712,621.20 and 43,110,445,548.49

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Solution

The fourth proportional to 128,130,167,630.09, 192,060,712,621.20 and 43,110,445,548.49 is: 64,620,401,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,130,167,630.09 : 192,060,712,621.20 = 43,110,445,548.49 : x
  2. Step 2: Convert to fraction form
    128,130,167,630.09/192,060,712,621.20 = 43,110,445,548.49/x
  3. Step 3: Cross multiply
    128,130,167,630.09x = 192,060,712,621.20 × 43,110,445,548.49
  4. Step 4: Simplify right side
    128,130,167,630.09x = 8,279,822,893,460,428,423,168
  5. Step 5: Solve for x
    x = 8,279,822,893,460,428,423,168/128,130,167,630.09
  6. Step 6: Final answer
    x = 64,620,401,632.22

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1.5x scale

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.