Home / 72,893,958.88-100,595,762.77-40,301,010.40

Finding the Fourth Proportional to 72,893,958.88, 100,595,762.77 and 40,301,010.40

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Solution

The fourth proportional to 72,893,958.88, 100,595,762.77 and 40,301,010.40 is: 55,616,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,893,958.88 : 100,595,762.77 = 40,301,010.40 : x
  2. Step 2: Convert to fraction form
    72,893,958.88/100,595,762.77 = 40,301,010.40/x
  3. Step 3: Cross multiply
    72,893,958.88x = 100,595,762.77 × 40,301,010.40
  4. Step 4: Simplify right side
    72,893,958.88x = 4,054,110,881,589,702.50
  5. Step 5: Solve for x
    x = 4,054,110,881,589,702.50/72,893,958.88
  6. Step 6: Final answer
    x = 55,616,555.11

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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.