Home / 116,079,891.32-173,928,516.95-67,421,153.36

Finding the Fourth Proportional to 116,079,891.32, 173,928,516.95 and 67,421,153.36

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Solution

The fourth proportional to 116,079,891.32, 173,928,516.95 and 67,421,153.36 is: 101,020,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,079,891.32 : 173,928,516.95 = 67,421,153.36 : x
  2. Step 2: Convert to fraction form
    116,079,891.32/173,928,516.95 = 67,421,153.36/x
  3. Step 3: Cross multiply
    116,079,891.32x = 173,928,516.95 × 67,421,153.36
  4. Step 4: Simplify right side
    116,079,891.32x = 11,726,461,214,262,220
  5. Step 5: Solve for x
    x = 11,726,461,214,262,220/116,079,891.32
  6. Step 6: Final answer
    x = 101,020,608.15

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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.