Home / 186,271,298.51-257,042,809.74-102,634,748.73

Finding the Fourth Proportional to 186,271,298.51, 257,042,809.74 and 102,634,748.73

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Solution

The fourth proportional to 186,271,298.51, 257,042,809.74 and 102,634,748.73 is: 141,629,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,271,298.51 : 257,042,809.74 = 102,634,748.73 : x
  2. Step 2: Convert to fraction form
    186,271,298.51/257,042,809.74 = 102,634,748.73/x
  3. Step 3: Cross multiply
    186,271,298.51x = 257,042,809.74 × 102,634,748.73
  4. Step 4: Simplify right side
    186,271,298.51x = 26,381,524,190,518,100
  5. Step 5: Solve for x
    x = 26,381,524,190,518,100/186,271,298.51
  6. Step 6: Final answer
    x = 141,629,571.50

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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.