Home / 217,997,838.08-326,626,592.16-131,554,603.52

Finding the Fourth Proportional to 217,997,838.08, 326,626,592.16 and 131,554,603.52

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Solution

The fourth proportional to 217,997,838.08, 326,626,592.16 and 131,554,603.52 is: 197,108,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,997,838.08 : 326,626,592.16 = 131,554,603.52 : x
  2. Step 2: Convert to fraction form
    217,997,838.08/326,626,592.16 = 131,554,603.52/x
  3. Step 3: Cross multiply
    217,997,838.08x = 326,626,592.16 × 131,554,603.52
  4. Step 4: Simplify right side
    217,997,838.08x = 42,969,231,830,697,544
  5. Step 5: Solve for x
    x = 42,969,231,830,697,544/217,997,838.08
  6. Step 6: Final answer
    x = 197,108,522.77

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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.