Home / 245,332,697.03-368,002,251-81,570,453.65

Finding the Fourth Proportional to 245,332,697.03, 368,002,251 and 81,570,453.65

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Solution

The fourth proportional to 245,332,697.03, 368,002,251 and 81,570,453.65 is: 122,356,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,332,697.03 : 368,002,251 = 81,570,453.65 : x
  2. Step 2: Convert to fraction form
    245,332,697.03/368,002,251 = 81,570,453.65/x
  3. Step 3: Cross multiply
    245,332,697.03x = 368,002,251 × 81,570,453.65
  4. Step 4: Simplify right side
    245,332,697.03x = 30,018,110,556,451,152
  5. Step 5: Solve for x
    x = 30,018,110,556,451,152/245,332,697.03
  6. Step 6: Final answer
    x = 122,356,746.25

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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.