Home / 70,116,186.96-105,652,874.67-57,616,694.64

Finding the Fourth Proportional to 70,116,186.96, 105,652,874.67 and 57,616,694.64

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Solution

The fourth proportional to 70,116,186.96, 105,652,874.67 and 57,616,694.64 is: 86,818,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,116,186.96 : 105,652,874.67 = 57,616,694.64 : x
  2. Step 2: Convert to fraction form
    70,116,186.96/105,652,874.67 = 57,616,694.64/x
  3. Step 3: Cross multiply
    70,116,186.96x = 105,652,874.67 × 57,616,694.64
  4. Step 4: Simplify right side
    70,116,186.96x = 6,087,369,417,942,623
  5. Step 5: Solve for x
    x = 6,087,369,417,942,623/70,116,186.96
  6. Step 6: Final answer
    x = 86,818,318.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.