Home / 210,385,207.90-315,577,811.85-202,323,051.10

Finding the Fourth Proportional to 210,385,207.90, 315,577,811.85 and 202,323,051.10

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Solution

The fourth proportional to 210,385,207.90, 315,577,811.85 and 202,323,051.10 is: 303,484,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,385,207.90 : 315,577,811.85 = 202,323,051.10 : x
  2. Step 2: Convert to fraction form
    210,385,207.90/315,577,811.85 = 202,323,051.10/x
  3. Step 3: Cross multiply
    210,385,207.90x = 315,577,811.85 × 202,323,051.10
  4. Step 4: Simplify right side
    210,385,207.90x = 63,848,665,752,953,736
  5. Step 5: Solve for x
    x = 63,848,665,752,953,736/210,385,207.90
  6. Step 6: Final answer
    x = 303,484,576.65

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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.