Home / 288,397,580.14-397,986,460.72-156,237,631.23

Finding the Fourth Proportional to 288,397,580.14, 397,986,460.72 and 156,237,631.23

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Solution

The fourth proportional to 288,397,580.14, 397,986,460.72 and 156,237,631.23 is: 215,606,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,397,580.14 : 397,986,460.72 = 156,237,631.23 : x
  2. Step 2: Convert to fraction form
    288,397,580.14/397,986,460.72 = 156,237,631.23/x
  3. Step 3: Cross multiply
    288,397,580.14x = 397,986,460.72 × 156,237,631.23
  4. Step 4: Simplify right side
    288,397,580.14x = 62,180,461,884,504,240
  5. Step 5: Solve for x
    x = 62,180,461,884,504,240/288,397,580.14
  6. Step 6: Final answer
    x = 215,606,739.33

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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.