Home / 118,032,003.60-177,048,005.40-74,985,282.60

Finding the Fourth Proportional to 118,032,003.60, 177,048,005.40 and 74,985,282.60

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Solution

The fourth proportional to 118,032,003.60, 177,048,005.40 and 74,985,282.60 is: 112,477,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,032,003.60 : 177,048,005.40 = 74,985,282.60 : x
  2. Step 2: Convert to fraction form
    118,032,003.60/177,048,005.40 = 74,985,282.60/x
  3. Step 3: Cross multiply
    118,032,003.60x = 177,048,005.40 × 74,985,282.60
  4. Step 4: Simplify right side
    118,032,003.60x = 13,275,994,718,685,326
  5. Step 5: Solve for x
    x = 13,275,994,718,685,326/118,032,003.60
  6. Step 6: Final answer
    x = 112,477,923.90

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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.