Home / 86,697,940.02-129,955,875.72-29,170,239.06

Finding the Fourth Proportional to 86,697,940.02, 129,955,875.72 and 29,170,239.06

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Solution

The fourth proportional to 86,697,940.02, 129,955,875.72 and 29,170,239.06 is: 43,724,729.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,697,940.02 : 129,955,875.72 = 29,170,239.06 : x
  2. Step 2: Convert to fraction form
    86,697,940.02/129,955,875.72 = 29,170,239.06/x
  3. Step 3: Cross multiply
    86,697,940.02x = 129,955,875.72 × 29,170,239.06
  4. Step 4: Simplify right side
    86,697,940.02x = 3,790,843,962,004,049.50
  5. Step 5: Solve for x
    x = 3,790,843,962,004,049.50/86,697,940.02
  6. Step 6: Final answer
    x = 43,724,729.34

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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.