Home / 158,262,138.40-237,393,207.60-143,901,421.60

Finding the Fourth Proportional to 158,262,138.40, 237,393,207.60 and 143,901,421.60

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Solution

The fourth proportional to 158,262,138.40, 237,393,207.60 and 143,901,421.60 is: 215,852,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,262,138.40 : 237,393,207.60 = 143,901,421.60 : x
  2. Step 2: Convert to fraction form
    158,262,138.40/237,393,207.60 = 143,901,421.60/x
  3. Step 3: Cross multiply
    158,262,138.40x = 237,393,207.60 × 143,901,421.60
  4. Step 4: Simplify right side
    158,262,138.40x = 34,161,220,051,823,920
  5. Step 5: Solve for x
    x = 34,161,220,051,823,920/158,262,138.40
  6. Step 6: Final answer
    x = 215,852,132.40

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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.