Home / 73,020,359,922.30-100,768,020,267.99-40,905,948,134.77

Finding the Fourth Proportional to 73,020,359,922.30, 100,768,020,267.99 and 40,905,948,134.77

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Solution

The fourth proportional to 73,020,359,922.30, 100,768,020,267.99 and 40,905,948,134.77 is: 56,450,165,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,020,359,922.30 : 100,768,020,267.99 = 40,905,948,134.77 : x
  2. Step 2: Convert to fraction form
    73,020,359,922.30/100,768,020,267.99 = 40,905,948,134.77/x
  3. Step 3: Cross multiply
    73,020,359,922.30x = 100,768,020,267.99 × 40,905,948,134.77
  4. Step 4: Simplify right side
    73,020,359,922.30x = 4,122,011,410,725,649,514,496
  5. Step 5: Solve for x
    x = 4,122,011,410,725,649,514,496/73,020,359,922.30
  6. Step 6: Final answer
    x = 56,450,165,612.88

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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.