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Finding the Fourth Proportional to 129,978,300.60, 194,920,211.70 and 43,719,521.40

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Solution

The fourth proportional to 129,978,300.60, 194,920,211.70 and 43,719,521.40 is: 65,563,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,978,300.60 : 194,920,211.70 = 43,719,521.40 : x
  2. Step 2: Convert to fraction form
    129,978,300.60/194,920,211.70 = 43,719,521.40/x
  3. Step 3: Cross multiply
    129,978,300.60x = 194,920,211.70 × 43,719,521.40
  4. Step 4: Simplify right side
    129,978,300.60x = 8,521,818,366,710,680
  5. Step 5: Solve for x
    x = 8,521,818,366,710,680/129,978,300.60
  6. Step 6: Final answer
    x = 65,563,392.72

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