Home / 130,455,611.22-180,032,469.55-79,537,388.48

Finding the Fourth Proportional to 130,455,611.22, 180,032,469.55 and 79,537,388.48

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Solution

The fourth proportional to 130,455,611.22, 180,032,469.55 and 79,537,388.48 is: 109,763,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,455,611.22 : 180,032,469.55 = 79,537,388.48 : x
  2. Step 2: Convert to fraction form
    130,455,611.22/180,032,469.55 = 79,537,388.48/x
  3. Step 3: Cross multiply
    130,455,611.22x = 180,032,469.55 × 79,537,388.48
  4. Step 4: Simplify right side
    130,455,611.22x = 14,319,312,468,513,116
  5. Step 5: Solve for x
    x = 14,319,312,468,513,116/130,455,611.22
  6. Step 6: Final answer
    x = 109,763,867.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.