Home / 140,865,708.14-194,365,567.23-81,325,972.51

Finding the Fourth Proportional to 140,865,708.14, 194,365,567.23 and 81,325,972.51

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Solution

The fourth proportional to 140,865,708.14, 194,365,567.23 and 81,325,972.51 is: 112,213,035.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,865,708.14 : 194,365,567.23 = 81,325,972.51 : x
  2. Step 2: Convert to fraction form
    140,865,708.14/194,365,567.23 = 81,325,972.51/x
  3. Step 3: Cross multiply
    140,865,708.14x = 194,365,567.23 × 81,325,972.51
  4. Step 4: Simplify right side
    140,865,708.14x = 15,806,968,776,465,708
  5. Step 5: Solve for x
    x = 15,806,968,776,465,708/140,865,708.14
  6. Step 6: Final answer
    x = 112,213,035.98

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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.