Home / 315,044,755.89-434,750,369.63-173,912,946.57

Finding the Fourth Proportional to 315,044,755.89, 434,750,369.63 and 173,912,946.57

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Solution

The fourth proportional to 315,044,755.89, 434,750,369.63 and 173,912,946.57 is: 239,993,576.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,044,755.89 : 434,750,369.63 = 173,912,946.57 : x
  2. Step 2: Convert to fraction form
    315,044,755.89/434,750,369.63 = 173,912,946.57/x
  3. Step 3: Cross multiply
    315,044,755.89x = 434,750,369.63 × 173,912,946.57
  4. Step 4: Simplify right side
    315,044,755.89x = 75,608,717,803,880,368
  5. Step 5: Solve for x
    x = 75,608,717,803,880,368/315,044,755.89
  6. Step 6: Final answer
    x = 239,993,576.76

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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.