Home / 97,758,320.80-146,794,153.20-77,730,109.60

Finding the Fourth Proportional to 97,758,320.80, 146,794,153.20 and 77,730,109.60

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Solution

The fourth proportional to 97,758,320.80, 146,794,153.20 and 77,730,109.60 is: 116,719,738.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,758,320.80 : 146,794,153.20 = 77,730,109.60 : x
  2. Step 2: Convert to fraction form
    97,758,320.80/146,794,153.20 = 77,730,109.60/x
  3. Step 3: Cross multiply
    97,758,320.80x = 146,794,153.20 × 77,730,109.60
  4. Step 4: Simplify right side
    97,758,320.80x = 11,410,325,616,875,188
  5. Step 5: Solve for x
    x = 11,410,325,616,875,188/97,758,320.80
  6. Step 6: Final answer
    x = 116,719,738.26

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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.