Home / 153,761,626.64-212,190,906.40-86,794,683.60

Finding the Fourth Proportional to 153,761,626.64, 212,190,906.40 and 86,794,683.60

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Solution

The fourth proportional to 153,761,626.64, 212,190,906.40 and 86,794,683.60 is: 119,776,585.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,761,626.64 : 212,190,906.40 = 86,794,683.60 : x
  2. Step 2: Convert to fraction form
    153,761,626.64/212,190,906.40 = 86,794,683.60/x
  3. Step 3: Cross multiply
    153,761,626.64x = 212,190,906.40 × 86,794,683.60
  4. Step 4: Simplify right side
    153,761,626.64x = 18,417,042,583,785,216
  5. Step 5: Solve for x
    x = 18,417,042,583,785,216/153,761,626.64
  6. Step 6: Final answer
    x = 119,776,585.27

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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.