Home / 86,670,161.60-130,005,242.40-29,143,313.60

Finding the Fourth Proportional to 86,670,161.60, 130,005,242.40 and 29,143,313.60

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Solution

The fourth proportional to 86,670,161.60, 130,005,242.40 and 29,143,313.60 is: 43,714,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,670,161.60 : 130,005,242.40 = 29,143,313.60 : x
  2. Step 2: Convert to fraction form
    86,670,161.60/130,005,242.40 = 29,143,313.60/x
  3. Step 3: Cross multiply
    86,670,161.60x = 130,005,242.40 × 29,143,313.60
  4. Step 4: Simplify right side
    86,670,161.60x = 3,788,783,548,907,217
  5. Step 5: Solve for x
    x = 3,788,783,548,907,217/86,670,161.60
  6. Step 6: Final answer
    x = 43,714,970.40

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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.