Home / 64,356,471.20-96,537,039.60-18,922,858.40

Finding the Fourth Proportional to 64,356,471.20, 96,537,039.60 and 18,922,858.40

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Solution

The fourth proportional to 64,356,471.20, 96,537,039.60 and 18,922,858.40 is: 28,384,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,356,471.20 : 96,537,039.60 = 18,922,858.40 : x
  2. Step 2: Convert to fraction form
    64,356,471.20/96,537,039.60 = 18,922,858.40/x
  3. Step 3: Cross multiply
    64,356,471.20x = 96,537,039.60 × 18,922,858.40
  4. Step 4: Simplify right side
    64,356,471.20x = 1,826,756,730,705,992.50
  5. Step 5: Solve for x
    x = 1,826,756,730,705,992.50/64,356,471.20
  6. Step 6: Final answer
    x = 28,384,973.52

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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.