Home / 72,894,026.56-100,595,856.08-40,301,078.08

Finding the Fourth Proportional to 72,894,026.56, 100,595,856.08 and 40,301,078.08

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Solution

The fourth proportional to 72,894,026.56, 100,595,856.08 and 40,301,078.08 is: 55,616,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,894,026.56 : 100,595,856.08 = 40,301,078.08 : x
  2. Step 2: Convert to fraction form
    72,894,026.56/100,595,856.08 = 40,301,078.08/x
  3. Step 3: Cross multiply
    72,894,026.56x = 100,595,856.08 × 40,301,078.08
  4. Step 4: Simplify right side
    72,894,026.56x = 4,054,121,450,404,522.50
  5. Step 5: Solve for x
    x = 4,054,121,450,404,522.50/72,894,026.56
  6. Step 6: Final answer
    x = 55,616,648.47

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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.