Home / 162,014,040.70-223,579,369.29-87,674,603.56

Finding the Fourth Proportional to 162,014,040.70, 223,579,369.29 and 87,674,603.56

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Solution

The fourth proportional to 162,014,040.70, 223,579,369.29 and 87,674,603.56 is: 120,990,949.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,014,040.70 : 223,579,369.29 = 87,674,603.56 : x
  2. Step 2: Convert to fraction form
    162,014,040.70/223,579,369.29 = 87,674,603.56/x
  3. Step 3: Cross multiply
    162,014,040.70x = 223,579,369.29 × 87,674,603.56
  4. Step 4: Simplify right side
    162,014,040.70x = 19,602,232,566,695,588
  5. Step 5: Solve for x
    x = 19,602,232,566,695,588/162,014,040.70
  6. Step 6: Final answer
    x = 120,990,949.19

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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.