Home / 186,077,347.20-279,116,020.80-177,149,138.40

Finding the Fourth Proportional to 186,077,347.20, 279,116,020.80 and 177,149,138.40

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Solution

The fourth proportional to 186,077,347.20, 279,116,020.80 and 177,149,138.40 is: 265,723,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,077,347.20 : 279,116,020.80 = 177,149,138.40 : x
  2. Step 2: Convert to fraction form
    186,077,347.20/279,116,020.80 = 177,149,138.40/x
  3. Step 3: Cross multiply
    186,077,347.20x = 279,116,020.80 × 177,149,138.40
  4. Step 4: Simplify right side
    186,077,347.20x = 49,445,162,598,356,480
  5. Step 5: Solve for x
    x = 49,445,162,598,356,480/186,077,347.20
  6. Step 6: Final answer
    x = 265,723,707.60

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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.