Home / 103,621,378.60-155,432,067.90-73,363,407.40

Finding the Fourth Proportional to 103,621,378.60, 155,432,067.90 and 73,363,407.40

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Solution

The fourth proportional to 103,621,378.60, 155,432,067.90 and 73,363,407.40 is: 110,045,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621,378.60 : 155,432,067.90 = 73,363,407.40 : x
  2. Step 2: Convert to fraction form
    103,621,378.60/155,432,067.90 = 73,363,407.40/x
  3. Step 3: Cross multiply
    103,621,378.60x = 155,432,067.90 × 73,363,407.40
  4. Step 4: Simplify right side
    103,621,378.60x = 11,403,026,120,372,164
  5. Step 5: Solve for x
    x = 11,403,026,120,372,164/103,621,378.60
  6. Step 6: Final answer
    x = 110,045,111.10

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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.