Home / 287,735,653.92-396,984,550.32-176,110,126.32

Finding the Fourth Proportional to 287,735,653.92, 396,984,550.32 and 176,110,126.32

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Solution

The fourth proportional to 287,735,653.92, 396,984,550.32 and 176,110,126.32 is: 242,976,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,735,653.92 : 396,984,550.32 = 176,110,126.32 : x
  2. Step 2: Convert to fraction form
    287,735,653.92/396,984,550.32 = 176,110,126.32/x
  3. Step 3: Cross multiply
    287,735,653.92x = 396,984,550.32 × 176,110,126.32
  4. Step 4: Simplify right side
    287,735,653.92x = 69,912,999,303,943,592
  5. Step 5: Solve for x
    x = 69,912,999,303,943,592/287,735,653.92
  6. Step 6: Final answer
    x = 242,976,490.23

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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.