Home / 106,781,908.23-147,370,016.52-64,968,941.97

Finding the Fourth Proportional to 106,781,908.23, 147,370,016.52 and 64,968,941.97

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Solution

The fourth proportional to 106,781,908.23, 147,370,016.52 and 64,968,941.97 is: 89,663,822.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,781,908.23 : 147,370,016.52 = 64,968,941.97 : x
  2. Step 2: Convert to fraction form
    106,781,908.23/147,370,016.52 = 64,968,941.97/x
  3. Step 3: Cross multiply
    106,781,908.23x = 147,370,016.52 × 64,968,941.97
  4. Step 4: Simplify right side
    106,781,908.23x = 9,574,474,051,405,822
  5. Step 5: Solve for x
    x = 9,574,474,051,405,822/106,781,908.23
  6. Step 6: Final answer
    x = 89,663,822.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.