Home / 131,004,055.70-196,506,083.55-90,189,386.90

Finding the Fourth Proportional to 131,004,055.70, 196,506,083.55 and 90,189,386.90

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Solution

The fourth proportional to 131,004,055.70, 196,506,083.55 and 90,189,386.90 is: 135,284,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,004,055.70 : 196,506,083.55 = 90,189,386.90 : x
  2. Step 2: Convert to fraction form
    131,004,055.70/196,506,083.55 = 90,189,386.90/x
  3. Step 3: Cross multiply
    131,004,055.70x = 196,506,083.55 × 90,189,386.90
  4. Step 4: Simplify right side
    131,004,055.70x = 17,722,763,197,494,678
  5. Step 5: Solve for x
    x = 17,722,763,197,494,678/131,004,055.70
  6. Step 6: Final answer
    x = 135,284,080.35

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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.