Home / 129,276,988.40-193,915,482.60-80,904,047.60

Finding the Fourth Proportional to 129,276,988.40, 193,915,482.60 and 80,904,047.60

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Solution

The fourth proportional to 129,276,988.40, 193,915,482.60 and 80,904,047.60 is: 121,356,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,276,988.40 : 193,915,482.60 = 80,904,047.60 : x
  2. Step 2: Convert to fraction form
    129,276,988.40/193,915,482.60 = 80,904,047.60/x
  3. Step 3: Cross multiply
    129,276,988.40x = 193,915,482.60 × 80,904,047.60
  4. Step 4: Simplify right side
    129,276,988.40x = 15,688,547,434,647,370
  5. Step 5: Solve for x
    x = 15,688,547,434,647,370/129,276,988.40
  6. Step 6: Final answer
    x = 121,356,071.40

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