Home / 287,078,851.20-430,717,809.60-125,636,649.60

Finding the Fourth Proportional to 287,078,851.20, 430,717,809.60 and 125,636,649.60

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Solution

The fourth proportional to 287,078,851.20, 430,717,809.60 and 125,636,649.60 is: 188,498,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,078,851.20 : 430,717,809.60 = 125,636,649.60 : x
  2. Step 2: Convert to fraction form
    287,078,851.20/430,717,809.60 = 125,636,649.60/x
  3. Step 3: Cross multiply
    287,078,851.20x = 430,717,809.60 × 125,636,649.60
  4. Step 4: Simplify right side
    287,078,851.20x = 54,113,942,521,194,720
  5. Step 5: Solve for x
    x = 54,113,942,521,194,720/287,078,851.20
  6. Step 6: Final answer
    x = 188,498,533.75

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