Home / 158,292,021.60-237,438,032.40-131,418,165.60

Finding the Fourth Proportional to 158,292,021.60, 237,438,032.40 and 131,418,165.60

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Solution

The fourth proportional to 158,292,021.60, 237,438,032.40 and 131,418,165.60 is: 197,127,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,292,021.60 : 237,438,032.40 = 131,418,165.60 : x
  2. Step 2: Convert to fraction form
    158,292,021.60/237,438,032.40 = 131,418,165.60/x
  3. Step 3: Cross multiply
    158,292,021.60x = 237,438,032.40 × 131,418,165.60
  4. Step 4: Simplify right side
    158,292,021.60x = 31,203,670,661,681,364
  5. Step 5: Solve for x
    x = 31,203,670,661,681,364/158,292,021.60
  6. Step 6: Final answer
    x = 197,127,248.40

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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.