Home / 118,734,080.80-178,038,135.60-42,059,610.40

Finding the Fourth Proportional to 118,734,080.80, 178,038,135.60 and 42,059,610.40

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Solution

The fourth proportional to 118,734,080.80, 178,038,135.60 and 42,059,610.40 is: 63,067,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,734,080.80 : 178,038,135.60 = 42,059,610.40 : x
  2. Step 2: Convert to fraction form
    118,734,080.80/178,038,135.60 = 42,059,610.40/x
  3. Step 3: Cross multiply
    118,734,080.80x = 178,038,135.60 × 42,059,610.40
  4. Step 4: Simplify right side
    118,734,080.80x = 7,488,214,619,678,370
  5. Step 5: Solve for x
    x = 7,488,214,619,678,370/118,734,080.80
  6. Step 6: Final answer
    x = 63,067,103.98

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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.