Home / 146,790,012.70-220,185,019.05-98,417,071.90

Finding the Fourth Proportional to 146,790,012.70, 220,185,019.05 and 98,417,071.90

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Solution

The fourth proportional to 146,790,012.70, 220,185,019.05 and 98,417,071.90 is: 147,625,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,790,012.70 : 220,185,019.05 = 98,417,071.90 : x
  2. Step 2: Convert to fraction form
    146,790,012.70/220,185,019.05 = 98,417,071.90/x
  3. Step 3: Cross multiply
    146,790,012.70x = 220,185,019.05 × 98,417,071.90
  4. Step 4: Simplify right side
    146,790,012.70x = 21,669,964,851,146,724
  5. Step 5: Solve for x
    x = 21,669,964,851,146,724/146,790,012.70
  6. Step 6: Final answer
    x = 147,625,607.85

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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.