Home / 199,154,587,515.08-274,834,158,809.30-107,703,138,333.46

Finding the Fourth Proportional to 199,154,587,515.08, 274,834,158,809.30 and 107,703,138,333.46

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Solution

The fourth proportional to 199,154,587,515.08, 274,834,158,809.30 and 107,703,138,333.46 is: 148,630,778,704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,154,587,515.08 : 274,834,158,809.30 = 107,703,138,333.46 : x
  2. Step 2: Convert to fraction form
    199,154,587,515.08/274,834,158,809.30 = 107,703,138,333.46/x
  3. Step 3: Cross multiply
    199,154,587,515.08x = 274,834,158,809.30 × 107,703,138,333.46
  4. Step 4: Simplify right side
    199,154,587,515.08x = 29,600,501,424,998,154,502,144
  5. Step 5: Solve for x
    x = 29,600,501,424,998,154,502,144/199,154,587,515.08
  6. Step 6: Final answer
    x = 148,630,778,704.79

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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.