Home / 56,893,103.86-78,512,483.62-30,787,621.96

Finding the Fourth Proportional to 56,893,103.86, 78,512,483.62 and 30,787,621.96

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Solution

The fourth proportional to 56,893,103.86, 78,512,483.62 and 30,787,621.96 is: 42,486,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,893,103.86 : 78,512,483.62 = 30,787,621.96 : x
  2. Step 2: Convert to fraction form
    56,893,103.86/78,512,483.62 = 30,787,621.96/x
  3. Step 3: Cross multiply
    56,893,103.86x = 78,512,483.62 × 30,787,621.96
  4. Step 4: Simplify right side
    56,893,103.86x = 2,417,212,664,833,252.50
  5. Step 5: Solve for x
    x = 2,417,212,664,833,252.50/56,893,103.86
  6. Step 6: Final answer
    x = 42,486,918.46

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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.