Home / 56,695,927.21-78,075,663.37-49,250,190.02

Finding the Fourth Proportional to 56,695,927.21, 78,075,663.37 and 49,250,190.02

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Solution

The fourth proportional to 56,695,927.21, 78,075,663.37 and 49,250,190.02 is: 67,822,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,695,927.21 : 78,075,663.37 = 49,250,190.02 : x
  2. Step 2: Convert to fraction form
    56,695,927.21/78,075,663.37 = 49,250,190.02/x
  3. Step 3: Cross multiply
    56,695,927.21x = 78,075,663.37 × 49,250,190.02
  4. Step 4: Simplify right side
    56,695,927.21x = 3,845,241,256,396,550
  5. Step 5: Solve for x
    x = 3,845,241,256,396,550/56,695,927.21
  6. Step 6: Final answer
    x = 67,822,177.81

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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.