Home / 78,725,967.48-118,080,978.06-21,224,051.28

Finding the Fourth Proportional to 78,725,967.48, 118,080,978.06 and 21,224,051.28

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Solution

The fourth proportional to 78,725,967.48, 118,080,978.06 and 21,224,051.28 is: 31,833,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,725,967.48 : 118,080,978.06 = 21,224,051.28 : x
  2. Step 2: Convert to fraction form
    78,725,967.48/118,080,978.06 = 21,224,051.28/x
  3. Step 3: Cross multiply
    78,725,967.48x = 118,080,978.06 × 21,224,051.28
  4. Step 4: Simplify right side
    78,725,967.48x = 2,506,156,733,537,995
  5. Step 5: Solve for x
    x = 2,506,156,733,537,995/78,725,967.48
  6. Step 6: Final answer
    x = 31,833,927.40

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