Home / 140,865,707.64-194,365,566.54-81,325,972.01

Finding the Fourth Proportional to 140,865,707.64, 194,365,566.54 and 81,325,972.01

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Solution

The fourth proportional to 140,865,707.64, 194,365,566.54 and 81,325,972.01 is: 112,213,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,865,707.64 : 194,365,566.54 = 81,325,972.01 : x
  2. Step 2: Convert to fraction form
    140,865,707.64/194,365,566.54 = 81,325,972.01/x
  3. Step 3: Cross multiply
    140,865,707.64x = 194,365,566.54 × 81,325,972.01
  4. Step 4: Simplify right side
    140,865,707.64x = 15,806,968,623,168,004
  5. Step 5: Solve for x
    x = 15,806,968,623,168,004/140,865,707.64
  6. Step 6: Final answer
    x = 112,213,035.29

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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.