Home / 118,893,317.20-178,339,975.80-100,753,464.40

Finding the Fourth Proportional to 118,893,317.20, 178,339,975.80 and 100,753,464.40

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Solution

The fourth proportional to 118,893,317.20, 178,339,975.80 and 100,753,464.40 is: 151,130,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,893,317.20 : 178,339,975.80 = 100,753,464.40 : x
  2. Step 2: Convert to fraction form
    118,893,317.20/178,339,975.80 = 100,753,464.40/x
  3. Step 3: Cross multiply
    118,893,317.20x = 178,339,975.80 × 100,753,464.40
  4. Step 4: Simplify right side
    118,893,317.20x = 17,968,370,402,862,164
  5. Step 5: Solve for x
    x = 17,968,370,402,862,164/118,893,317.20
  6. Step 6: Final answer
    x = 151,130,196.60

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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.