Home / 177,980,573,394.95-245,634,247,423.67-105,722,923,723.66

Finding the Fourth Proportional to 177,980,573,394.95, 245,634,247,423.67 and 105,722,923,723.66

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Solution

The fourth proportional to 177,980,573,394.95, 245,634,247,423.67 and 105,722,923,723.66 is: 145,910,142,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,980,573,394.95 : 245,634,247,423.67 = 105,722,923,723.66 : x
  2. Step 2: Convert to fraction form
    177,980,573,394.95/245,634,247,423.67 = 105,722,923,723.66/x
  3. Step 3: Cross multiply
    177,980,573,394.95x = 245,634,247,423.67 × 105,722,923,723.66
  4. Step 4: Simplify right side
    177,980,573,394.95x = 25,969,170,804,291,292,626,944
  5. Step 5: Solve for x
    x = 25,969,170,804,291,292,626,944/177,980,573,394.95
  6. Step 6: Final answer
    x = 145,910,142,376.41

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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.