Home / 131,220,138.40-196,830,207.60-97,207,914.40

Finding the Fourth Proportional to 131,220,138.40, 196,830,207.60 and 97,207,914.40

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Solution

The fourth proportional to 131,220,138.40, 196,830,207.60 and 97,207,914.40 is: 145,811,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220,138.40 : 196,830,207.60 = 97,207,914.40 : x
  2. Step 2: Convert to fraction form
    131,220,138.40/196,830,207.60 = 97,207,914.40/x
  3. Step 3: Cross multiply
    131,220,138.40x = 196,830,207.60 × 97,207,914.40
  4. Step 4: Simplify right side
    131,220,138.40x = 19,133,453,971,715,032
  5. Step 5: Solve for x
    x = 19,133,453,971,715,032/131,220,138.40
  6. Step 6: Final answer
    x = 145,811,871.60

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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.