Home / 163,364,999.70-245,047,499.55-162,408,405.90

Finding the Fourth Proportional to 163,364,999.70, 245,047,499.55 and 162,408,405.90

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Solution

The fourth proportional to 163,364,999.70, 245,047,499.55 and 162,408,405.90 is: 243,612,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,364,999.70 : 245,047,499.55 = 162,408,405.90 : x
  2. Step 2: Convert to fraction form
    163,364,999.70/245,047,499.55 = 162,408,405.90/x
  3. Step 3: Cross multiply
    163,364,999.70x = 245,047,499.55 × 162,408,405.90
  4. Step 4: Simplify right side
    163,364,999.70x = 39,797,773,771,696,472
  5. Step 5: Solve for x
    x = 39,797,773,771,696,472/163,364,999.70
  6. Step 6: Final answer
    x = 243,612,608.85

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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.