Home / 140,947,776,068.40-211,421,664,102.60-85,222,148,266.80

Finding the Fourth Proportional to 140,947,776,068.40, 211,421,664,102.60 and 85,222,148,266.80

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Solution

The fourth proportional to 140,947,776,068.40, 211,421,664,102.60 and 85,222,148,266.80 is: 127,833,222,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,947,776,068.40 : 211,421,664,102.60 = 85,222,148,266.80 : x
  2. Step 2: Convert to fraction form
    140,947,776,068.40/211,421,664,102.60 = 85,222,148,266.80/x
  3. Step 3: Cross multiply
    140,947,776,068.40x = 211,421,664,102.60 × 85,222,148,266.80
  4. Step 4: Simplify right side
    140,947,776,068.40x = 18,017,808,404,965,364,858,880
  5. Step 5: Solve for x
    x = 18,017,808,404,965,364,858,880/140,947,776,068.40
  6. Step 6: Final answer
    x = 127,833,222,400.20

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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.