Home / 174,828,621.60-262,032,980.40-72,540,007.20

Finding the Fourth Proportional to 174,828,621.60, 262,032,980.40 and 72,540,007.20

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Solution

The fourth proportional to 174,828,621.60, 262,032,980.40 and 72,540,007.20 is: 108,722,897.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,828,621.60 : 262,032,980.40 = 72,540,007.20 : x
  2. Step 2: Convert to fraction form
    174,828,621.60/262,032,980.40 = 72,540,007.20/x
  3. Step 3: Cross multiply
    174,828,621.60x = 262,032,980.40 × 72,540,007.20
  4. Step 4: Simplify right side
    174,828,621.60x = 19,007,874,284,853,460
  5. Step 5: Solve for x
    x = 19,007,874,284,853,460/174,828,621.60
  6. Step 6: Final answer
    x = 108,722,897.38

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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.