Home / 86,107,990.32-129,088,827.84-40,076,592.60

Finding the Fourth Proportional to 86,107,990.32, 129,088,827.84 and 40,076,592.60

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Solution

The fourth proportional to 86,107,990.32, 129,088,827.84 and 40,076,592.60 is: 60,080,839.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,107,990.32 : 129,088,827.84 = 40,076,592.60 : x
  2. Step 2: Convert to fraction form
    86,107,990.32/129,088,827.84 = 40,076,592.60/x
  3. Step 3: Cross multiply
    86,107,990.32x = 129,088,827.84 × 40,076,592.60
  4. Step 4: Simplify right side
    86,107,990.32x = 5,173,440,362,555,218
  5. Step 5: Solve for x
    x = 5,173,440,362,555,218/86,107,990.32
  6. Step 6: Final answer
    x = 60,080,839.69

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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.