Home / 140,235,705.60-210,353,558.40-88,579,640.40

Finding the Fourth Proportional to 140,235,705.60, 210,353,558.40 and 88,579,640.40

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Solution

The fourth proportional to 140,235,705.60, 210,353,558.40 and 88,579,640.40 is: 132,869,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,235,705.60 : 210,353,558.40 = 88,579,640.40 : x
  2. Step 2: Convert to fraction form
    140,235,705.60/210,353,558.40 = 88,579,640.40/x
  3. Step 3: Cross multiply
    140,235,705.60x = 210,353,558.40 × 88,579,640.40
  4. Step 4: Simplify right side
    140,235,705.60x = 18,633,042,559,932,400
  5. Step 5: Solve for x
    x = 18,633,042,559,932,400/140,235,705.60
  6. Step 6: Final answer
    x = 132,869,460.60

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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.