Home / 73,020,359,922.92-100,768,020,268.85-40,905,948,135.40

Finding the Fourth Proportional to 73,020,359,922.92, 100,768,020,268.85 and 40,905,948,135.40

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Solution

The fourth proportional to 73,020,359,922.92, 100,768,020,268.85 and 40,905,948,135.40 is: 56,450,165,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,020,359,922.92 : 100,768,020,268.85 = 40,905,948,135.40 : x
  2. Step 2: Convert to fraction form
    73,020,359,922.92/100,768,020,268.85 = 40,905,948,135.40/x
  3. Step 3: Cross multiply
    73,020,359,922.92x = 100,768,020,268.85 × 40,905,948,135.40
  4. Step 4: Simplify right side
    73,020,359,922.92x = 4,122,011,410,824,010,137,600
  5. Step 5: Solve for x
    x = 4,122,011,410,824,010,137,600/73,020,359,922.92
  6. Step 6: Final answer
    x = 56,450,165,613.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.