Home / 66,773,051.46-100,173,946.59-20,714,002.02

Finding the Fourth Proportional to 66,773,051.46, 100,173,946.59 and 20,714,002.02

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Solution

The fourth proportional to 66,773,051.46, 100,173,946.59 and 20,714,002.02 is: 31,075,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,773,051.46 : 100,173,946.59 = 20,714,002.02 : x
  2. Step 2: Convert to fraction form
    66,773,051.46/100,173,946.59 = 20,714,002.02/x
  3. Step 3: Cross multiply
    66,773,051.46x = 100,173,946.59 × 20,714,002.02
  4. Step 4: Simplify right side
    66,773,051.46x = 2,075,003,332,016,632.25
  5. Step 5: Solve for x
    x = 2,075,003,332,016,632.25/66,773,051.46
  6. Step 6: Final answer
    x = 31,075,460.63

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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.