Home / 117,462,386.40-162,102,689.76-80,370,462.96

Finding the Fourth Proportional to 117,462,386.40, 162,102,689.76 and 80,370,462.96

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Solution

The fourth proportional to 117,462,386.40, 162,102,689.76 and 80,370,462.96 is: 110,914,383.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,462,386.40 : 162,102,689.76 = 80,370,462.96 : x
  2. Step 2: Convert to fraction form
    117,462,386.40/162,102,689.76 = 80,370,462.96/x
  3. Step 3: Cross multiply
    117,462,386.40x = 162,102,689.76 × 80,370,462.96
  4. Step 4: Simplify right side
    117,462,386.40x = 13,028,268,223,072,450
  5. Step 5: Solve for x
    x = 13,028,268,223,072,450/117,462,386.40
  6. Step 6: Final answer
    x = 110,914,383.93

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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.