Home / 142,000,454,928.40-213,000,682,392.60-68,616,912,144.40

Finding the Fourth Proportional to 142,000,454,928.40, 213,000,682,392.60 and 68,616,912,144.40

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Solution

The fourth proportional to 142,000,454,928.40, 213,000,682,392.60 and 68,616,912,144.40 is: 102,925,368,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,000,454,928.40 : 213,000,682,392.60 = 68,616,912,144.40 : x
  2. Step 2: Convert to fraction form
    142,000,454,928.40/213,000,682,392.60 = 68,616,912,144.40/x
  3. Step 3: Cross multiply
    142,000,454,928.40x = 213,000,682,392.60 × 68,616,912,144.40
  4. Step 4: Simplify right side
    142,000,454,928.40x = 14,615,449,110,430,282,153,984
  5. Step 5: Solve for x
    x = 14,615,449,110,430,282,153,984/142,000,454,928.40
  6. Step 6: Final answer
    x = 102,925,368,216.60

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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.