Home / 81,465,820.32-122,130,094.32-35,373,010.08

Finding the Fourth Proportional to 81,465,820.32, 122,130,094.32 and 35,373,010.08

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Solution

The fourth proportional to 81,465,820.32, 122,130,094.32 and 35,373,010.08 is: 53,029,712.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,465,820.32 : 122,130,094.32 = 35,373,010.08 : x
  2. Step 2: Convert to fraction form
    81,465,820.32/122,130,094.32 = 35,373,010.08/x
  3. Step 3: Cross multiply
    81,465,820.32x = 122,130,094.32 × 35,373,010.08
  4. Step 4: Simplify right side
    81,465,820.32x = 4,320,109,057,452,710.50
  5. Step 5: Solve for x
    x = 4,320,109,057,452,710.50/81,465,820.32
  6. Step 6: Final answer
    x = 53,029,712.84

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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.