Home / 186,271,880.34-257,066,481.96-102,639,909.81

Finding the Fourth Proportional to 186,271,880.34, 257,066,481.96 and 102,639,909.81

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Solution

The fourth proportional to 186,271,880.34, 257,066,481.96 and 102,639,909.81 is: 141,649,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,271,880.34 : 257,066,481.96 = 102,639,909.81 : x
  2. Step 2: Convert to fraction form
    186,271,880.34/257,066,481.96 = 102,639,909.81/x
  3. Step 3: Cross multiply
    186,271,880.34x = 257,066,481.96 × 102,639,909.81
  4. Step 4: Simplify right side
    186,271,880.34x = 26,385,280,523,548,392
  5. Step 5: Solve for x
    x = 26,385,280,523,548,392/186,271,880.34
  6. Step 6: Final answer
    x = 141,649,294.97

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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.