Home / 228,528,082.05-342,792,123.08-217,380,408.45

Finding the Fourth Proportional to 228,528,082.05, 342,792,123.08 and 217,380,408.45

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Solution

The fourth proportional to 228,528,082.05, 342,792,123.08 and 217,380,408.45 is: 326,070,612.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,528,082.05 : 342,792,123.08 = 217,380,408.45 : x
  2. Step 2: Convert to fraction form
    228,528,082.05/342,792,123.08 = 217,380,408.45/x
  3. Step 3: Cross multiply
    228,528,082.05x = 342,792,123.08 × 217,380,408.45
  4. Step 4: Simplify right side
    228,528,082.05x = 74,516,291,727,486,160
  5. Step 5: Solve for x
    x = 74,516,291,727,486,160/228,528,082.05
  6. Step 6: Final answer
    x = 326,070,612.68

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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.