Home / 186,526,462.72-257,425,024.64-139,401,690.88

Finding the Fourth Proportional to 186,526,462.72, 257,425,024.64 and 139,401,690.88

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Solution

The fourth proportional to 186,526,462.72, 257,425,024.64 and 139,401,690.88 is: 192,388,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,526,462.72 : 257,425,024.64 = 139,401,690.88 : x
  2. Step 2: Convert to fraction form
    186,526,462.72/257,425,024.64 = 139,401,690.88/x
  3. Step 3: Cross multiply
    186,526,462.72x = 257,425,024.64 × 139,401,690.88
  4. Step 4: Simplify right side
    186,526,462.72x = 35,885,483,709,641,660
  5. Step 5: Solve for x
    x = 35,885,483,709,641,660/186,526,462.72
  6. Step 6: Final answer
    x = 192,388,164.05

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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.