Home / 78,725,931.99-118,080,925.00-21,224,015.79

Finding the Fourth Proportional to 78,725,931.99, 118,080,925.00 and 21,224,015.79

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Solution

The fourth proportional to 78,725,931.99, 118,080,925.00 and 21,224,015.79 is: 31,833,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,725,931.99 : 118,080,925.00 = 21,224,015.79 : x
  2. Step 2: Convert to fraction form
    78,725,931.99/118,080,925.00 = 21,224,015.79/x
  3. Step 3: Cross multiply
    78,725,931.99x = 118,080,925.00 × 21,224,015.79
  4. Step 4: Simplify right side
    78,725,931.99x = 2,506,151,416,201,942
  5. Step 5: Solve for x
    x = 2,506,151,416,201,942/78,725,931.99
  6. Step 6: Final answer
    x = 31,833,874.21

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