Home / 186,722,847.15-257,677,885.65-103,091,139.57

Finding the Fourth Proportional to 186,722,847.15, 257,677,885.65 and 103,091,139.57

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Solution

The fourth proportional to 186,722,847.15, 257,677,885.65 and 103,091,139.57 is: 142,265,969.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,722,847.15 : 257,677,885.65 = 103,091,139.57 : x
  2. Step 2: Convert to fraction form
    186,722,847.15/257,677,885.65 = 103,091,139.57/x
  3. Step 3: Cross multiply
    186,722,847.15x = 257,677,885.65 × 103,091,139.57
  4. Step 4: Simplify right side
    186,722,847.15x = 26,564,306,873,646,648
  5. Step 5: Solve for x
    x = 26,564,306,873,646,648/186,722,847.15
  6. Step 6: Final answer
    x = 142,265,969.48

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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.