Home / 186,789,788.40-280,184,682.60-176,208,207.60

Finding the Fourth Proportional to 186,789,788.40, 280,184,682.60 and 176,208,207.60

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Solution

The fourth proportional to 186,789,788.40, 280,184,682.60 and 176,208,207.60 is: 264,312,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,789,788.40 : 280,184,682.60 = 176,208,207.60 : x
  2. Step 2: Convert to fraction form
    186,789,788.40/280,184,682.60 = 176,208,207.60/x
  3. Step 3: Cross multiply
    186,789,788.40x = 280,184,682.60 × 176,208,207.60
  4. Step 4: Simplify right side
    186,789,788.40x = 49,370,840,717,920,912
  5. Step 5: Solve for x
    x = 49,370,840,717,920,912/186,789,788.40
  6. Step 6: Final answer
    x = 264,312,311.40

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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.