Home / 130,203,749.70-195,033,999.15-61,175,468.70

Finding the Fourth Proportional to 130,203,749.70, 195,033,999.15 and 61,175,468.70

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Solution

The fourth proportional to 130,203,749.70, 195,033,999.15 and 61,175,468.70 is: 91,635,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,203,749.70 : 195,033,999.15 = 61,175,468.70 : x
  2. Step 2: Convert to fraction form
    130,203,749.70/195,033,999.15 = 61,175,468.70/x
  3. Step 3: Cross multiply
    130,203,749.70x = 195,033,999.15 × 61,175,468.70
  4. Step 4: Simplify right side
    130,203,749.70x = 11,931,296,310,436,652
  5. Step 5: Solve for x
    x = 11,931,296,310,436,652/130,203,749.70
  6. Step 6: Final answer
    x = 91,635,581.45

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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.