Home / 75,724,346.40-104,499,625.92-40,917,036.72

Finding the Fourth Proportional to 75,724,346.40, 104,499,625.92 and 40,917,036.72

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Solution

The fourth proportional to 75,724,346.40, 104,499,625.92 and 40,917,036.72 is: 56,465,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,724,346.40 : 104,499,625.92 = 40,917,036.72 : x
  2. Step 2: Convert to fraction form
    75,724,346.40/104,499,625.92 = 40,917,036.72/x
  3. Step 3: Cross multiply
    75,724,346.40x = 104,499,625.92 × 40,917,036.72
  4. Step 4: Simplify right side
    75,724,346.40x = 4,275,815,030,994,903.50
  5. Step 5: Solve for x
    x = 4,275,815,030,994,903.50/75,724,346.40
  6. Step 6: Final answer
    x = 56,465,525.74

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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.