Home / 166,032,205.40-248,376,461.70-145,876,813.40

Finding the Fourth Proportional to 166,032,205.40, 248,376,461.70 and 145,876,813.40

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Solution

The fourth proportional to 166,032,205.40, 248,376,461.70 and 145,876,813.40 is: 218,224,932.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,032,205.40 : 248,376,461.70 = 145,876,813.40 : x
  2. Step 2: Convert to fraction form
    166,032,205.40/248,376,461.70 = 145,876,813.40/x
  3. Step 3: Cross multiply
    166,032,205.40x = 248,376,461.70 × 145,876,813.40
  4. Step 4: Simplify right side
    166,032,205.40x = 36,232,366,756,363,144
  5. Step 5: Solve for x
    x = 36,232,366,756,363,144/166,032,205.40
  6. Step 6: Final answer
    x = 218,224,932.14

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1.5x scale

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.