Home / 74,756,865.70-112,135,298.55-20,169,345.70

Finding the Fourth Proportional to 74,756,865.70, 112,135,298.55 and 20,169,345.70

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Solution

The fourth proportional to 74,756,865.70, 112,135,298.55 and 20,169,345.70 is: 30,254,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,756,865.70 : 112,135,298.55 = 20,169,345.70 : x
  2. Step 2: Convert to fraction form
    74,756,865.70/112,135,298.55 = 20,169,345.70/x
  3. Step 3: Cross multiply
    74,756,865.70x = 112,135,298.55 × 20,169,345.70
  4. Step 4: Simplify right side
    74,756,865.70x = 2,261,695,601,627,658.50
  5. Step 5: Solve for x
    x = 2,261,695,601,627,658.50/74,756,865.70
  6. Step 6: Final answer
    x = 30,254,018.55

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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.