Home / 324,355,856.24-486,529,726.44-78,714,526.16

Finding the Fourth Proportional to 324,355,856.24, 486,529,726.44 and 78,714,526.16

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Solution

The fourth proportional to 324,355,856.24, 486,529,726.44 and 78,714,526.16 is: 118,070,804.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,355,856.24 : 486,529,726.44 = 78,714,526.16 : x
  2. Step 2: Convert to fraction form
    324,355,856.24/486,529,726.44 = 78,714,526.16/x
  3. Step 3: Cross multiply
    324,355,856.24x = 486,529,726.44 × 78,714,526.16
  4. Step 4: Simplify right side
    324,355,856.24x = 38,296,956,879,479,024
  5. Step 5: Solve for x
    x = 38,296,956,879,479,024/324,355,856.24
  6. Step 6: Final answer
    x = 118,070,804.47

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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.