Home / 56,205,501.42-77,520,797.55-48,378,335.34

Finding the Fourth Proportional to 56,205,501.42, 77,520,797.55 and 48,378,335.34

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Solution

The fourth proportional to 56,205,501.42, 77,520,797.55 and 48,378,335.34 is: 66,725,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,205,501.42 : 77,520,797.55 = 48,378,335.34 : x
  2. Step 2: Convert to fraction form
    56,205,501.42/77,520,797.55 = 48,378,335.34/x
  3. Step 3: Cross multiply
    56,205,501.42x = 77,520,797.55 × 48,378,335.34
  4. Step 4: Simplify right side
    56,205,501.42x = 3,750,327,139,698,150.50
  5. Step 5: Solve for x
    x = 3,750,327,139,698,150.50/56,205,501.42
  6. Step 6: Final answer
    x = 66,725,267.90

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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.