Home / 177,980,573,398.61-245,634,247,428.74-105,722,923,727.34

Finding the Fourth Proportional to 177,980,573,398.61, 245,634,247,428.74 and 105,722,923,727.34

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Solution

The fourth proportional to 177,980,573,398.61, 245,634,247,428.74 and 105,722,923,727.34 is: 145,910,142,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,980,573,398.61 : 245,634,247,428.74 = 105,722,923,727.34 : x
  2. Step 2: Convert to fraction form
    177,980,573,398.61/245,634,247,428.74 = 105,722,923,727.34/x
  3. Step 3: Cross multiply
    177,980,573,398.61x = 245,634,247,428.74 × 105,722,923,727.34
  4. Step 4: Simplify right side
    177,980,573,398.61x = 25,969,170,805,731,239,133,184
  5. Step 5: Solve for x
    x = 25,969,170,805,731,239,133,184/177,980,573,398.61
  6. Step 6: Final answer
    x = 145,910,142,381.50

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1.5x scale

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.