Home / 66,018,831.30-98,933,768.55-48,611,186.10

Finding the Fourth Proportional to 66,018,831.30, 98,933,768.55 and 48,611,186.10

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Solution

The fourth proportional to 66,018,831.30, 98,933,768.55 and 48,611,186.10 is: 72,847,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,018,831.30 : 98,933,768.55 = 48,611,186.10 : x
  2. Step 2: Convert to fraction form
    66,018,831.30/98,933,768.55 = 48,611,186.10/x
  3. Step 3: Cross multiply
    66,018,831.30x = 98,933,768.55 × 48,611,186.10
  4. Step 4: Simplify right side
    66,018,831.30x = 4,809,287,834,558,377
  5. Step 5: Solve for x
    x = 4,809,287,834,558,377/66,018,831.30
  6. Step 6: Final answer
    x = 72,847,212.53

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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.