Home / 158,292,031.20-237,438,046.80-67,424,805.60

Finding the Fourth Proportional to 158,292,031.20, 237,438,046.80 and 67,424,805.60

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Solution

The fourth proportional to 158,292,031.20, 237,438,046.80 and 67,424,805.60 is: 101,137,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,292,031.20 : 237,438,046.80 = 67,424,805.60 : x
  2. Step 2: Convert to fraction form
    158,292,031.20/237,438,046.80 = 67,424,805.60/x
  3. Step 3: Cross multiply
    158,292,031.20x = 237,438,046.80 × 67,424,805.60
  4. Step 4: Simplify right side
    158,292,031.20x = 16,009,214,147,533,702
  5. Step 5: Solve for x
    x = 16,009,214,147,533,702/158,292,031.20
  6. Step 6: Final answer
    x = 101,137,208.40

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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.