Home / 185,617,361.72-278,382,848.60-69,087,597.56

Finding the Fourth Proportional to 185,617,361.72, 278,382,848.60 and 69,087,597.56

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Solution

The fourth proportional to 185,617,361.72, 278,382,848.60 and 69,087,597.56 is: 103,615,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,617,361.72 : 278,382,848.60 = 69,087,597.56 : x
  2. Step 2: Convert to fraction form
    185,617,361.72/278,382,848.60 = 69,087,597.56/x
  3. Step 3: Cross multiply
    185,617,361.72x = 278,382,848.60 × 69,087,597.56
  4. Step 4: Simplify right side
    185,617,361.72x = 19,232,802,211,683,212
  5. Step 5: Solve for x
    x = 19,232,802,211,683,212/185,617,361.72
  6. Step 6: Final answer
    x = 103,615,319.35

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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.