Home / 131,134,562.40-196,701,843.60-70,668,386.40

Finding the Fourth Proportional to 131,134,562.40, 196,701,843.60 and 70,668,386.40

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Solution

The fourth proportional to 131,134,562.40, 196,701,843.60 and 70,668,386.40 is: 106,002,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,134,562.40 : 196,701,843.60 = 70,668,386.40 : x
  2. Step 2: Convert to fraction form
    131,134,562.40/196,701,843.60 = 70,668,386.40/x
  3. Step 3: Cross multiply
    131,134,562.40x = 196,701,843.60 × 70,668,386.40
  4. Step 4: Simplify right side
    131,134,562.40x = 13,900,601,889,117,168
  5. Step 5: Solve for x
    x = 13,900,601,889,117,168/131,134,562.40
  6. Step 6: Final answer
    x = 106,002,579.60

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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.