Home / 216,439,819.52-298,678,946.00-117,318,438.72

Finding the Fourth Proportional to 216,439,819.52, 298,678,946.00 and 117,318,438.72

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Solution

The fourth proportional to 216,439,819.52, 298,678,946.00 and 117,318,438.72 is: 161,895,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,439,819.52 : 298,678,946.00 = 117,318,438.72 : x
  2. Step 2: Convert to fraction form
    216,439,819.52/298,678,946.00 = 117,318,438.72/x
  3. Step 3: Cross multiply
    216,439,819.52x = 298,678,946.00 × 117,318,438.72
  4. Step 4: Simplify right side
    216,439,819.52x = 35,040,547,622,668,596
  5. Step 5: Solve for x
    x = 35,040,547,622,668,596/216,439,819.52
  6. Step 6: Final answer
    x = 161,895,106.46

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