Home / 76,587,455.04-105,690,688.08-41,780,285.92

Finding the Fourth Proportional to 76,587,455.04, 105,690,688.08 and 41,780,285.92

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Solution

The fourth proportional to 76,587,455.04, 105,690,688.08 and 41,780,285.92 is: 57,656,794.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,587,455.04 : 105,690,688.08 = 41,780,285.92 : x
  2. Step 2: Convert to fraction form
    76,587,455.04/105,690,688.08 = 41,780,285.92/x
  3. Step 3: Cross multiply
    76,587,455.04x = 105,690,688.08 × 41,780,285.92
  4. Step 4: Simplify right side
    76,587,455.04x = 4,415,787,167,063,936
  5. Step 5: Solve for x
    x = 4,415,787,167,063,936/76,587,455.04
  6. Step 6: Final answer
    x = 57,656,794.64

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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.