Home / 212,365,112,262.13-318,597,908,002.07-68,943,863,267.88

Finding the Fourth Proportional to 212,365,112,262.13, 318,597,908,002.07 and 68,943,863,267.88

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Solution

The fourth proportional to 212,365,112,262.13, 318,597,908,002.07 and 68,943,863,267.88 is: 103,432,105,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,365,112,262.13 : 318,597,908,002.07 = 68,943,863,267.88 : x
  2. Step 2: Convert to fraction form
    212,365,112,262.13/318,597,908,002.07 = 68,943,863,267.88/x
  3. Step 3: Cross multiply
    212,365,112,262.13x = 318,597,908,002.07 × 68,943,863,267.88
  4. Step 4: Simplify right side
    212,365,112,262.13x = 21,965,370,606,727,326,597,120
  5. Step 5: Solve for x
    x = 21,965,370,606,727,326,597,120/212,365,112,262.13
  6. Step 6: Final answer
    x = 103,432,105,079.55

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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.