Home / 75,136,689,930.14-103,688,698,917.30-40,842,396,488.52

Finding the Fourth Proportional to 75,136,689,930.14, 103,688,698,917.30 and 40,842,396,488.52

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Solution

The fourth proportional to 75,136,689,930.14, 103,688,698,917.30 and 40,842,396,488.52 is: 56,362,543,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,136,689,930.14 : 103,688,698,917.30 = 40,842,396,488.52 : x
  2. Step 2: Convert to fraction form
    75,136,689,930.14/103,688,698,917.30 = 40,842,396,488.52/x
  3. Step 3: Cross multiply
    75,136,689,930.14x = 103,688,698,917.30 × 40,842,396,488.52
  4. Step 4: Simplify right side
    75,136,689,930.14x = 4,234,894,952,559,140,667,392
  5. Step 5: Solve for x
    x = 4,234,894,952,559,140,667,392/75,136,689,930.14
  6. Step 6: Final answer
    x = 56,362,543,472.39

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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.