Home / 228,768,409.89-315,702,519.17-124,346,726.91

Finding the Fourth Proportional to 228,768,409.89, 315,702,519.17 and 124,346,726.91

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Solution

The fourth proportional to 228,768,409.89, 315,702,519.17 and 124,346,726.91 is: 171,599,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,768,409.89 : 315,702,519.17 = 124,346,726.91 : x
  2. Step 2: Convert to fraction form
    228,768,409.89/315,702,519.17 = 124,346,726.91/x
  3. Step 3: Cross multiply
    228,768,409.89x = 315,702,519.17 × 124,346,726.91
  4. Step 4: Simplify right side
    228,768,409.89x = 39,256,574,935,409,296
  5. Step 5: Solve for x
    x = 39,256,574,935,409,296/228,768,409.89
  6. Step 6: Final answer
    x = 171,599,631.93

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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.