Home / 105,388,983.05-145,433,672.93-58,348,153.27

Finding the Fourth Proportional to 105,388,983.05, 145,433,672.93 and 58,348,153.27

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Solution

The fourth proportional to 105,388,983.05, 145,433,672.93 and 58,348,153.27 is: 80,518,722.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,388,983.05 : 145,433,672.93 = 58,348,153.27 : x
  2. Step 2: Convert to fraction form
    105,388,983.05/145,433,672.93 = 58,348,153.27/x
  3. Step 3: Cross multiply
    105,388,983.05x = 145,433,672.93 × 58,348,153.27
  4. Step 4: Simplify right side
    105,388,983.05x = 8,485,786,237,719,782
  5. Step 5: Solve for x
    x = 8,485,786,237,719,782/105,388,983.05
  6. Step 6: Final answer
    x = 80,518,722.09

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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.