Home / 210,408,262.32-315,642,020.04-64,853,556.24

Finding the Fourth Proportional to 210,408,262.32, 315,642,020.04 and 64,853,556.24

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Solution

The fourth proportional to 210,408,262.32, 315,642,020.04 and 64,853,556.24 is: 97,289,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,408,262.32 : 315,642,020.04 = 64,853,556.24 : x
  2. Step 2: Convert to fraction form
    210,408,262.32/315,642,020.04 = 64,853,556.24/x
  3. Step 3: Cross multiply
    210,408,262.32x = 315,642,020.04 × 64,853,556.24
  4. Step 4: Simplify right side
    210,408,262.32x = 20,470,507,498,371,348
  5. Step 5: Solve for x
    x = 20,470,507,498,371,348/210,408,262.32
  6. Step 6: Final answer
    x = 97,289,466.07

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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.