Home / 74,362,727.52-102,621,631.79-40,875,308.19

Finding the Fourth Proportional to 74,362,727.52, 102,621,631.79 and 40,875,308.19

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Solution

The fourth proportional to 74,362,727.52, 102,621,631.79 and 40,875,308.19 is: 56,408,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,362,727.52 : 102,621,631.79 = 40,875,308.19 : x
  2. Step 2: Convert to fraction form
    74,362,727.52/102,621,631.79 = 40,875,308.19/x
  3. Step 3: Cross multiply
    74,362,727.52x = 102,621,631.79 × 40,875,308.19
  4. Step 4: Simplify right side
    74,362,727.52x = 4,194,690,826,479,139.50
  5. Step 5: Solve for x
    x = 4,194,690,826,479,139.50/74,362,727.52
  6. Step 6: Final answer
    x = 56,408,512.25

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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.