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Finding the Fourth Proportional to 79,259,811.60, 118,889,717.40 and 57,648,752.40

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Solution

The fourth proportional to 79,259,811.60, 118,889,717.40 and 57,648,752.40 is: 86,473,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,259,811.60 : 118,889,717.40 = 57,648,752.40 : x
  2. Step 2: Convert to fraction form
    79,259,811.60/118,889,717.40 = 57,648,752.40/x
  3. Step 3: Cross multiply
    79,259,811.60x = 118,889,717.40 × 57,648,752.40
  4. Step 4: Simplify right side
    79,259,811.60x = 6,853,843,881,298,572
  5. Step 5: Solve for x
    x = 6,853,843,881,298,572/79,259,811.60
  6. Step 6: Final answer
    x = 86,473,128.60

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