Home / 75,282,027.81-112,928,439.11-31,518,747.19

Finding the Fourth Proportional to 75,282,027.81, 112,928,439.11 and 31,518,747.19

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Solution

The fourth proportional to 75,282,027.81, 112,928,439.11 and 31,518,747.19 is: 47,280,380.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,282,027.81 : 112,928,439.11 = 31,518,747.19 : x
  2. Step 2: Convert to fraction form
    75,282,027.81/112,928,439.11 = 31,518,747.19/x
  3. Step 3: Cross multiply
    75,282,027.81x = 112,928,439.11 × 31,518,747.19
  4. Step 4: Simplify right side
    75,282,027.81x = 3,559,362,922,869,398.50
  5. Step 5: Solve for x
    x = 3,559,362,922,869,398.50/75,282,027.81
  6. Step 6: Final answer
    x = 47,280,380.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.