Home / 90,812,884.36-125,393,186.14-73,115,570.76

Finding the Fourth Proportional to 90,812,884.36, 125,393,186.14 and 73,115,570.76

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Solution

The fourth proportional to 90,812,884.36, 125,393,186.14 and 73,115,570.76 is: 100,956,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,812,884.36 : 125,393,186.14 = 73,115,570.76 : x
  2. Step 2: Convert to fraction form
    90,812,884.36/125,393,186.14 = 73,115,570.76/x
  3. Step 3: Cross multiply
    90,812,884.36x = 125,393,186.14 × 73,115,570.76
  4. Step 4: Simplify right side
    90,812,884.36x = 9,168,194,374,041,022
  5. Step 5: Solve for x
    x = 9,168,194,374,041,022/90,812,884.36
  6. Step 6: Final answer
    x = 100,956,978.06

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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.