Home / 109,182,073,121.20-163,773,109,681.80-71,306,060,474.80

Finding the Fourth Proportional to 109,182,073,121.20, 163,773,109,681.80 and 71,306,060,474.80

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Solution

The fourth proportional to 109,182,073,121.20, 163,773,109,681.80 and 71,306,060,474.80 is: 106,959,090,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,182,073,121.20 : 163,773,109,681.80 = 71,306,060,474.80 : x
  2. Step 2: Convert to fraction form
    109,182,073,121.20/163,773,109,681.80 = 71,306,060,474.80/x
  3. Step 3: Cross multiply
    109,182,073,121.20x = 163,773,109,681.80 × 71,306,060,474.80
  4. Step 4: Simplify right side
    109,182,073,121.20x = 11,678,015,263,116,483,362,816
  5. Step 5: Solve for x
    x = 11,678,015,263,116,483,362,816/109,182,073,121.20
  6. Step 6: Final answer
    x = 106,959,090,712.20

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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.