Home / 313,051,981.20-469,436,254.20-118,898,869.20

Finding the Fourth Proportional to 313,051,981.20, 469,436,254.20 and 118,898,869.20

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Solution

The fourth proportional to 313,051,981.20, 469,436,254.20 and 118,898,869.20 is: 178,294,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,051,981.20 : 469,436,254.20 = 118,898,869.20 : x
  2. Step 2: Convert to fraction form
    313,051,981.20/469,436,254.20 = 118,898,869.20/x
  3. Step 3: Cross multiply
    313,051,981.20x = 469,436,254.20 × 118,898,869.20
  4. Step 4: Simplify right side
    313,051,981.20x = 55,815,439,785,863,752
  5. Step 5: Solve for x
    x = 55,815,439,785,863,752/313,051,981.20
  6. Step 6: Final answer
    x = 178,294,478.67

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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.