Home / 105,349,809.60-157,961,728.80-54,331,473.60

Finding the Fourth Proportional to 105,349,809.60, 157,961,728.80 and 54,331,473.60

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Solution

The fourth proportional to 105,349,809.60, 157,961,728.80 and 54,331,473.60 is: 81,464,727.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,349,809.60 : 157,961,728.80 = 54,331,473.60 : x
  2. Step 2: Convert to fraction form
    105,349,809.60/157,961,728.80 = 54,331,473.60/x
  3. Step 3: Cross multiply
    105,349,809.60x = 157,961,728.80 × 54,331,473.60
  4. Step 4: Simplify right side
    105,349,809.60x = 8,582,293,498,107,561
  5. Step 5: Solve for x
    x = 8,582,293,498,107,561/105,349,809.60
  6. Step 6: Final answer
    x = 81,464,727.19

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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.