Home / 140,631,637.64-194,053,255.67-81,095,132.70

Finding the Fourth Proportional to 140,631,637.64, 194,053,255.67 and 81,095,132.70

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Solution

The fourth proportional to 140,631,637.64, 194,053,255.67 and 81,095,132.70 is: 111,900,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,631,637.64 : 194,053,255.67 = 81,095,132.70 : x
  2. Step 2: Convert to fraction form
    140,631,637.64/194,053,255.67 = 81,095,132.70/x
  3. Step 3: Cross multiply
    140,631,637.64x = 194,053,255.67 × 81,095,132.70
  4. Step 4: Simplify right side
    140,631,637.64x = 15,736,774,519,628,416
  5. Step 5: Solve for x
    x = 15,736,774,519,628,416/140,631,637.64
  6. Step 6: Final answer
    x = 111,900,670.32

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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.