Home / 72,177,356.88-99,610,031.48-41,236,861.86

Finding the Fourth Proportional to 72,177,356.88, 99,610,031.48 and 41,236,861.86

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Solution

The fourth proportional to 72,177,356.88, 99,610,031.48 and 41,236,861.86 is: 56,909,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,177,356.88 : 99,610,031.48 = 41,236,861.86 : x
  2. Step 2: Convert to fraction form
    72,177,356.88/99,610,031.48 = 41,236,861.86/x
  3. Step 3: Cross multiply
    72,177,356.88x = 99,610,031.48 × 41,236,861.86
  4. Step 4: Simplify right side
    72,177,356.88x = 4,107,605,107,804,826.50
  5. Step 5: Solve for x
    x = 4,107,605,107,804,826.50/72,177,356.88
  6. Step 6: Final answer
    x = 56,909,885.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.