Home / 145,312,488,002.80-217,968,732,004.20-106,130,405,954.80

Finding the Fourth Proportional to 145,312,488,002.80, 217,968,732,004.20 and 106,130,405,954.80

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Solution

The fourth proportional to 145,312,488,002.80, 217,968,732,004.20 and 106,130,405,954.80 is: 159,195,608,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,312,488,002.80 : 217,968,732,004.20 = 106,130,405,954.80 : x
  2. Step 2: Convert to fraction form
    145,312,488,002.80/217,968,732,004.20 = 106,130,405,954.80/x
  3. Step 3: Cross multiply
    145,312,488,002.80x = 217,968,732,004.20 × 106,130,405,954.80
  4. Step 4: Simplify right side
    145,312,488,002.80x = 23,133,110,013,058,753,757,184
  5. Step 5: Solve for x
    x = 23,133,110,013,058,753,757,184/145,312,488,002.80
  6. Step 6: Final answer
    x = 159,195,608,932.20

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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.