Home / 324,025,220.16-447,045,342.96-210,943,221.65

Finding the Fourth Proportional to 324,025,220.16, 447,045,342.96 and 210,943,221.65

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Solution

The fourth proportional to 324,025,220.16, 447,045,342.96 and 210,943,221.65 is: 291,030,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,025,220.16 : 447,045,342.96 = 210,943,221.65 : x
  2. Step 2: Convert to fraction form
    324,025,220.16/447,045,342.96 = 210,943,221.65/x
  3. Step 3: Cross multiply
    324,025,220.16x = 447,045,342.96 × 210,943,221.65
  4. Step 4: Simplify right side
    324,025,220.16x = 94,301,184,869,177,248
  5. Step 5: Solve for x
    x = 94,301,184,869,177,248/324,025,220.16
  6. Step 6: Final answer
    x = 291,030,385.91

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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.