Home / 612,256,135.95-918,383,022.68-152,194,748.13

Finding the Fourth Proportional to 612,256,135.95, 918,383,022.68 and 152,194,748.13

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Solution

The fourth proportional to 612,256,135.95, 918,383,022.68 and 152,194,748.13 is: 228,291,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,256,135.95 : 918,383,022.68 = 152,194,748.13 : x
  2. Step 2: Convert to fraction form
    612,256,135.95/918,383,022.68 = 152,194,748.13/x
  3. Step 3: Cross multiply
    612,256,135.95x = 918,383,022.68 × 152,194,748.13
  4. Step 4: Simplify right side
    612,256,135.95x = 139,773,072,822,889,696
  5. Step 5: Solve for x
    x = 139,773,072,822,889,696/612,256,135.95
  6. Step 6: Final answer
    x = 228,291,828.56

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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.