Home / 56,532,203.52-78,014,453.76-30,778,091.52

Finding the Fourth Proportional to 56,532,203.52, 78,014,453.76 and 30,778,091.52

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Solution

The fourth proportional to 56,532,203.52, 78,014,453.76 and 30,778,091.52 is: 42,473,773.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,532,203.52 : 78,014,453.76 = 30,778,091.52 : x
  2. Step 2: Convert to fraction form
    56,532,203.52/78,014,453.76 = 30,778,091.52/x
  3. Step 3: Cross multiply
    56,532,203.52x = 78,014,453.76 × 30,778,091.52
  4. Step 4: Simplify right side
    56,532,203.52x = 2,401,135,997,708,088
  5. Step 5: Solve for x
    x = 2,401,135,997,708,088/56,532,203.52
  6. Step 6: Final answer
    x = 42,473,773.32

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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.