Home / 306,292,105.66-422,718,840.47-174,152,901.36

Finding the Fourth Proportional to 306,292,105.66, 422,718,840.47 and 174,152,901.36

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Solution

The fourth proportional to 306,292,105.66, 422,718,840.47 and 174,152,901.36 is: 240,351,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,292,105.66 : 422,718,840.47 = 174,152,901.36 : x
  2. Step 2: Convert to fraction form
    306,292,105.66/422,718,840.47 = 174,152,901.36/x
  3. Step 3: Cross multiply
    306,292,105.66x = 422,718,840.47 × 174,152,901.36
  4. Step 4: Simplify right side
    306,292,105.66x = 73,617,712,527,385,504
  5. Step 5: Solve for x
    x = 73,617,712,527,385,504/306,292,105.66
  6. Step 6: Final answer
    x = 240,351,322.05

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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.