Home / 140,968,030.72-211,177,271.40-79,368,901.24

Finding the Fourth Proportional to 140,968,030.72, 211,177,271.40 and 79,368,901.24

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Solution

The fourth proportional to 140,968,030.72, 211,177,271.40 and 79,368,901.24 is: 118,898,646.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,968,030.72 : 211,177,271.40 = 79,368,901.24 : x
  2. Step 2: Convert to fraction form
    140,968,030.72/211,177,271.40 = 79,368,901.24/x
  3. Step 3: Cross multiply
    140,968,030.72x = 211,177,271.40 × 79,368,901.24
  4. Step 4: Simplify right side
    140,968,030.72x = 16,760,907,997,879,276
  5. Step 5: Solve for x
    x = 16,760,907,997,879,276/140,968,030.72
  6. Step 6: Final answer
    x = 118,898,646.11

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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.