Home / 423,684,126.51-635,525,249.45-112,791,818.67

Finding the Fourth Proportional to 423,684,126.51, 635,525,249.45 and 112,791,818.67

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Solution

The fourth proportional to 423,684,126.51, 635,525,249.45 and 112,791,818.67 is: 169,187,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,684,126.51 : 635,525,249.45 = 112,791,818.67 : x
  2. Step 2: Convert to fraction form
    423,684,126.51/635,525,249.45 = 112,791,818.67/x
  3. Step 3: Cross multiply
    423,684,126.51x = 635,525,249.45 × 112,791,818.67
  4. Step 4: Simplify right side
    423,684,126.51x = 71,682,048,695,606,968
  5. Step 5: Solve for x
    x = 71,682,048,695,606,968/423,684,126.51
  6. Step 6: Final answer
    x = 169,187,477.68

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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.