Home / 210,893,029.80-316,526,168.70-124,523,442.60

Finding the Fourth Proportional to 210,893,029.80, 316,526,168.70 and 124,523,442.60

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Solution

The fourth proportional to 210,893,029.80, 316,526,168.70 and 124,523,442.60 is: 186,895,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,893,029.80 : 316,526,168.70 = 124,523,442.60 : x
  2. Step 2: Convert to fraction form
    210,893,029.80/316,526,168.70 = 124,523,442.60/x
  3. Step 3: Cross multiply
    210,893,029.80x = 316,526,168.70 × 124,523,442.60
  4. Step 4: Simplify right side
    210,893,029.80x = 39,414,928,199,512,360
  5. Step 5: Solve for x
    x = 39,414,928,199,512,360/210,893,029.80
  6. Step 6: Final answer
    x = 186,895,357.50

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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.