Home / 72,893,974-100,595,783.64-40,301,025.52

Finding the Fourth Proportional to 72,893,974, 100,595,783.64 and 40,301,025.52

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Solution

The fourth proportional to 72,893,974, 100,595,783.64 and 40,301,025.52 is: 55,616,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,893,974 : 100,595,783.64 = 40,301,025.52 : x
  2. Step 2: Convert to fraction form
    72,893,974/100,595,783.64 = 40,301,025.52/x
  3. Step 3: Cross multiply
    72,893,974x = 100,595,783.64 × 40,301,025.52
  4. Step 4: Simplify right side
    72,893,974x = 4,054,113,243,680,039
  5. Step 5: Solve for x
    x = 4,054,113,243,680,039/72,893,974
  6. Step 6: Final answer
    x = 55,616,575.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.