Home / 186,774,670.20-280,162,005.30-79,279,246.20

Finding the Fourth Proportional to 186,774,670.20, 280,162,005.30 and 79,279,246.20

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Solution

The fourth proportional to 186,774,670.20, 280,162,005.30 and 79,279,246.20 is: 118,918,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,774,670.20 : 280,162,005.30 = 79,279,246.20 : x
  2. Step 2: Convert to fraction form
    186,774,670.20/280,162,005.30 = 79,279,246.20/x
  3. Step 3: Cross multiply
    186,774,670.20x = 280,162,005.30 × 79,279,246.20
  4. Step 4: Simplify right side
    186,774,670.20x = 22,211,032,594,064,408
  5. Step 5: Solve for x
    x = 22,211,032,594,064,408/186,774,670.20
  6. Step 6: Final answer
    x = 118,918,869.30

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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.