Home / 118,727,289.60-178,090,934.40-98,319,955.20

Finding the Fourth Proportional to 118,727,289.60, 178,090,934.40 and 98,319,955.20

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Solution

The fourth proportional to 118,727,289.60, 178,090,934.40 and 98,319,955.20 is: 147,479,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,727,289.60 : 178,090,934.40 = 98,319,955.20 : x
  2. Step 2: Convert to fraction form
    118,727,289.60/178,090,934.40 = 98,319,955.20/x
  3. Step 3: Cross multiply
    118,727,289.60x = 178,090,934.40 × 98,319,955.20
  4. Step 4: Simplify right side
    118,727,289.60x = 17,509,892,691,734,140
  5. Step 5: Solve for x
    x = 17,509,892,691,734,140/118,727,289.60
  6. Step 6: Final answer
    x = 147,479,932.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.