Home / 163,949,935.91-245,888,627.87-47,339,980.04

Finding the Fourth Proportional to 163,949,935.91, 245,888,627.87 and 47,339,980.04

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Solution

The fourth proportional to 163,949,935.91, 245,888,627.87 and 47,339,980.04 is: 70,999,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,949,935.91 : 245,888,627.87 = 47,339,980.04 : x
  2. Step 2: Convert to fraction form
    163,949,935.91/245,888,627.87 = 47,339,980.04/x
  3. Step 3: Cross multiply
    163,949,935.91x = 245,888,627.87 × 47,339,980.04
  4. Step 4: Simplify right side
    163,949,935.91x = 11,640,362,733,962,644
  5. Step 5: Solve for x
    x = 11,640,362,733,962,644/163,949,935.91
  6. Step 6: Final answer
    x = 70,999,495.48

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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.