Home / 157,464,330.80-236,196,496.20-145,985,205.20

Finding the Fourth Proportional to 157,464,330.80, 236,196,496.20 and 145,985,205.20

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Solution

The fourth proportional to 157,464,330.80, 236,196,496.20 and 145,985,205.20 is: 218,977,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,330.80 : 236,196,496.20 = 145,985,205.20 : x
  2. Step 2: Convert to fraction form
    157,464,330.80/236,196,496.20 = 145,985,205.20/x
  3. Step 3: Cross multiply
    157,464,330.80x = 236,196,496.20 × 145,985,205.20
  4. Step 4: Simplify right side
    157,464,330.80x = 34,481,193,965,278,016
  5. Step 5: Solve for x
    x = 34,481,193,965,278,016/157,464,330.80
  6. Step 6: Final answer
    x = 218,977,807.80

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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.