Home / 135,359,377,987.32-186,800,421,380.04-74,393,906,153.47

Finding the Fourth Proportional to 135,359,377,987.32, 186,800,421,380.04 and 74,393,906,153.47

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Solution

The fourth proportional to 135,359,377,987.32, 186,800,421,380.04 and 74,393,906,153.47 is: 102,666,052,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,359,377,987.32 : 186,800,421,380.04 = 74,393,906,153.47 : x
  2. Step 2: Convert to fraction form
    135,359,377,987.32/186,800,421,380.04 = 74,393,906,153.47/x
  3. Step 3: Cross multiply
    135,359,377,987.32x = 186,800,421,380.04 × 74,393,906,153.47
  4. Step 4: Simplify right side
    135,359,377,987.32x = 13,896,813,017,574,601,129,984
  5. Step 5: Solve for x
    x = 13,896,813,017,574,601,129,984/135,359,377,987.32
  6. Step 6: Final answer
    x = 102,666,052,579.50

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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.