Home / 312,013,929.60-468,020,894.40-150,770,793.60

Finding the Fourth Proportional to 312,013,929.60, 468,020,894.40 and 150,770,793.60

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Solution

The fourth proportional to 312,013,929.60, 468,020,894.40 and 150,770,793.60 is: 226,156,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,013,929.60 : 468,020,894.40 = 150,770,793.60 : x
  2. Step 2: Convert to fraction form
    312,013,929.60/468,020,894.40 = 150,770,793.60/x
  3. Step 3: Cross multiply
    312,013,929.60x = 468,020,894.40 × 150,770,793.60
  4. Step 4: Simplify right side
    312,013,929.60x = 70,563,881,670,069,792
  5. Step 5: Solve for x
    x = 70,563,881,670,069,792/312,013,929.60
  6. Step 6: Final answer
    x = 226,156,190.40

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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.