Home / 131,223,266.40-196,834,899.60-70,757,090.40

Finding the Fourth Proportional to 131,223,266.40, 196,834,899.60 and 70,757,090.40

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Solution

The fourth proportional to 131,223,266.40, 196,834,899.60 and 70,757,090.40 is: 106,135,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,223,266.40 : 196,834,899.60 = 70,757,090.40 : x
  2. Step 2: Convert to fraction form
    131,223,266.40/196,834,899.60 = 70,757,090.40/x
  3. Step 3: Cross multiply
    131,223,266.40x = 196,834,899.60 × 70,757,090.40
  4. Step 4: Simplify right side
    131,223,266.40x = 13,927,464,784,872,124
  5. Step 5: Solve for x
    x = 13,927,464,784,872,124/131,223,266.40
  6. Step 6: Final answer
    x = 106,135,635.60

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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.