Home / 288,463,074.68-432,690,832.56-70,112,782.46

Finding the Fourth Proportional to 288,463,074.68, 432,690,832.56 and 70,112,782.46

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Solution

The fourth proportional to 288,463,074.68, 432,690,832.56 and 70,112,782.46 is: 105,168,255.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,463,074.68 : 432,690,832.56 = 70,112,782.46 : x
  2. Step 2: Convert to fraction form
    288,463,074.68/432,690,832.56 = 70,112,782.46/x
  3. Step 3: Cross multiply
    288,463,074.68x = 432,690,832.56 × 70,112,782.46
  4. Step 4: Simplify right side
    288,463,074.68x = 30,337,158,215,715,564
  5. Step 5: Solve for x
    x = 30,337,158,215,715,564/288,463,074.68
  6. Step 6: Final answer
    x = 105,168,255.07

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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.