Home / 86,740,179.82-130,110,712.59-29,232,949.21

Finding the Fourth Proportional to 86,740,179.82, 130,110,712.59 and 29,232,949.21

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Solution

The fourth proportional to 86,740,179.82, 130,110,712.59 and 29,232,949.21 is: 43,849,573.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,740,179.82 : 130,110,712.59 = 29,232,949.21 : x
  2. Step 2: Convert to fraction form
    86,740,179.82/130,110,712.59 = 29,232,949.21/x
  3. Step 3: Cross multiply
    86,740,179.82x = 130,110,712.59 × 29,232,949.21
  4. Step 4: Simplify right side
    86,740,179.82x = 3,803,519,852,604,724.50
  5. Step 5: Solve for x
    x = 3,803,519,852,604,724.50/86,740,179.82
  6. Step 6: Final answer
    x = 43,849,573.07

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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.