Home / 118,328,155.07-163,293,674.77-66,119,391.23

Finding the Fourth Proportional to 118,328,155.07, 163,293,674.77 and 66,119,391.23

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Solution

The fourth proportional to 118,328,155.07, 163,293,674.77 and 66,119,391.23 is: 91,245,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,328,155.07 : 163,293,674.77 = 66,119,391.23 : x
  2. Step 2: Convert to fraction form
    118,328,155.07/163,293,674.77 = 66,119,391.23/x
  3. Step 3: Cross multiply
    118,328,155.07x = 163,293,674.77 × 66,119,391.23
  4. Step 4: Simplify right side
    118,328,155.07x = 10,796,878,366,520,244
  5. Step 5: Solve for x
    x = 10,796,878,366,520,244/118,328,155.07
  6. Step 6: Final answer
    x = 91,245,218.52

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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.