Home / 90,274,334,737.53-124,578,662,077.60-49,629,937,727.14

Finding the Fourth Proportional to 90,274,334,737.53, 124,578,662,077.60 and 49,629,937,727.14

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Solution

The fourth proportional to 90,274,334,737.53, 124,578,662,077.60 and 49,629,937,727.14 is: 68,489,358,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,274,334,737.53 : 124,578,662,077.60 = 49,629,937,727.14 : x
  2. Step 2: Convert to fraction form
    90,274,334,737.53/124,578,662,077.60 = 49,629,937,727.14/x
  3. Step 3: Cross multiply
    90,274,334,737.53x = 124,578,662,077.60 × 49,629,937,727.14
  4. Step 4: Simplify right side
    90,274,334,737.53x = 6,182,831,241,041,705,697,280
  5. Step 5: Solve for x
    x = 6,182,831,241,041,705,697,280/90,274,334,737.53
  6. Step 6: Final answer
    x = 68,489,358,121.76

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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.