Home / 247,328,473.86-371,064,513.92-99,699,846.89

Finding the Fourth Proportional to 247,328,473.86, 371,064,513.92 and 99,699,846.89

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Solution

The fourth proportional to 247,328,473.86, 371,064,513.92 and 99,699,846.89 is: 149,578,714.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,328,473.86 : 371,064,513.92 = 99,699,846.89 : x
  2. Step 2: Convert to fraction form
    247,328,473.86/371,064,513.92 = 99,699,846.89/x
  3. Step 3: Cross multiply
    247,328,473.86x = 371,064,513.92 × 99,699,846.89
  4. Step 4: Simplify right side
    247,328,473.86x = 36,995,075,221,782,456
  5. Step 5: Solve for x
    x = 36,995,075,221,782,456/247,328,473.86
  6. Step 6: Final answer
    x = 149,578,714.67

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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.