Home / 212,365,112,261.38-318,597,908,000.94-68,943,863,267.13

Finding the Fourth Proportional to 212,365,112,261.38, 318,597,908,000.94 and 68,943,863,267.13

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Solution

The fourth proportional to 212,365,112,261.38, 318,597,908,000.94 and 68,943,863,267.13 is: 103,432,105,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,365,112,261.38 : 318,597,908,000.94 = 68,943,863,267.13 : x
  2. Step 2: Convert to fraction form
    212,365,112,261.38/318,597,908,000.94 = 68,943,863,267.13/x
  3. Step 3: Cross multiply
    212,365,112,261.38x = 318,597,908,000.94 × 68,943,863,267.13
  4. Step 4: Simplify right side
    212,365,112,261.38x = 21,965,370,606,408,878,260,224
  5. Step 5: Solve for x
    x = 21,965,370,606,408,878,260,224/212,365,112,261.38
  6. Step 6: Final answer
    x = 103,432,105,078.42

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1.5x scale

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.