Home / 86,610,802.70-129,834,828.20-29,062,716.50

Finding the Fourth Proportional to 86,610,802.70, 129,834,828.20 and 29,062,716.50

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Solution

The fourth proportional to 86,610,802.70, 129,834,828.20 and 29,062,716.50 is: 43,566,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,610,802.70 : 129,834,828.20 = 29,062,716.50 : x
  2. Step 2: Convert to fraction form
    86,610,802.70/129,834,828.20 = 29,062,716.50/x
  3. Step 3: Cross multiply
    86,610,802.70x = 129,834,828.20 × 29,062,716.50
  4. Step 4: Simplify right side
    86,610,802.70x = 3,773,352,804,200,049.50
  5. Step 5: Solve for x
    x = 3,773,352,804,200,049.50/86,610,802.70
  6. Step 6: Final answer
    x = 43,566,768.65

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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.