Home / 186,837,658.20-280,256,487.30-176,256,077.40

Finding the Fourth Proportional to 186,837,658.20, 280,256,487.30 and 176,256,077.40

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Solution

The fourth proportional to 186,837,658.20, 280,256,487.30 and 176,256,077.40 is: 264,384,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,837,658.20 : 280,256,487.30 = 176,256,077.40 : x
  2. Step 2: Convert to fraction form
    186,837,658.20/280,256,487.30 = 176,256,077.40/x
  3. Step 3: Cross multiply
    186,837,658.20x = 280,256,487.30 × 176,256,077.40
  4. Step 4: Simplify right side
    186,837,658.20x = 49,396,909,117,400,920
  5. Step 5: Solve for x
    x = 49,396,909,117,400,920/186,837,658.20
  6. Step 6: Final answer
    x = 264,384,116.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.