Home / 115,087,371.40-172,631,057.10-72,089,201.80

Finding the Fourth Proportional to 115,087,371.40, 172,631,057.10 and 72,089,201.80

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Solution

The fourth proportional to 115,087,371.40, 172,631,057.10 and 72,089,201.80 is: 108,133,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,087,371.40 : 172,631,057.10 = 72,089,201.80 : x
  2. Step 2: Convert to fraction form
    115,087,371.40/172,631,057.10 = 72,089,201.80/x
  3. Step 3: Cross multiply
    115,087,371.40x = 172,631,057.10 × 72,089,201.80
  4. Step 4: Simplify right side
    115,087,371.40x = 12,444,835,112,229,222
  5. Step 5: Solve for x
    x = 12,444,835,112,229,222/115,087,371.40
  6. Step 6: Final answer
    x = 108,133,802.70

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