Home / 166,486,432,929.66-229,750,698,121.06-90,362,846,725.11

Finding the Fourth Proportional to 166,486,432,929.66, 229,750,698,121.06 and 90,362,846,725.11

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Solution

The fourth proportional to 166,486,432,929.66, 229,750,698,121.06 and 90,362,846,725.11 is: 124,700,414,045.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,486,432,929.66 : 229,750,698,121.06 = 90,362,846,725.11 : x
  2. Step 2: Convert to fraction form
    166,486,432,929.66/229,750,698,121.06 = 90,362,846,725.11/x
  3. Step 3: Cross multiply
    166,486,432,929.66x = 229,750,698,121.06 × 90,362,846,725.11
  4. Step 4: Simplify right side
    166,486,432,929.66x = 20,760,927,119,300,364,337,152
  5. Step 5: Solve for x
    x = 20,760,927,119,300,364,337,152/166,486,432,929.66
  6. Step 6: Final answer
    x = 124,700,414,045.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.