Home / 142,000,454,932.40-213,000,682,398.60-68,616,912,148.40

Finding the Fourth Proportional to 142,000,454,932.40, 213,000,682,398.60 and 68,616,912,148.40

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Solution

The fourth proportional to 142,000,454,932.40, 213,000,682,398.60 and 68,616,912,148.40 is: 102,925,368,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,000,454,932.40 : 213,000,682,398.60 = 68,616,912,148.40 : x
  2. Step 2: Convert to fraction form
    142,000,454,932.40/213,000,682,398.60 = 68,616,912,148.40/x
  3. Step 3: Cross multiply
    142,000,454,932.40x = 213,000,682,398.60 × 68,616,912,148.40
  4. Step 4: Simplify right side
    142,000,454,932.40x = 14,615,449,111,693,986,103,296
  5. Step 5: Solve for x
    x = 14,615,449,111,693,986,103,296/142,000,454,932.40
  6. Step 6: Final answer
    x = 102,925,368,222.60

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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.