Home / 216,439,819.68-298,678,946.21-117,318,438.89

Finding the Fourth Proportional to 216,439,819.68, 298,678,946.21 and 117,318,438.89

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Solution

The fourth proportional to 216,439,819.68, 298,678,946.21 and 117,318,438.89 is: 161,895,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,439,819.68 : 298,678,946.21 = 117,318,438.89 : x
  2. Step 2: Convert to fraction form
    216,439,819.68/298,678,946.21 = 117,318,438.89/x
  3. Step 3: Cross multiply
    216,439,819.68x = 298,678,946.21 × 117,318,438.89
  4. Step 4: Simplify right side
    216,439,819.68x = 35,040,547,696,587,496
  5. Step 5: Solve for x
    x = 35,040,547,696,587,496/216,439,819.68
  6. Step 6: Final answer
    x = 161,895,106.68

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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.