Home / 56,138,837.28-77,463,350.10-31,355,970.36

Finding the Fourth Proportional to 56,138,837.28, 77,463,350.10 and 31,355,970.36

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Solution

The fourth proportional to 56,138,837.28, 77,463,350.10 and 31,355,970.36 is: 43,266,633.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,138,837.28 : 77,463,350.10 = 31,355,970.36 : x
  2. Step 2: Convert to fraction form
    56,138,837.28/77,463,350.10 = 31,355,970.36/x
  3. Step 3: Cross multiply
    56,138,837.28x = 77,463,350.10 × 31,355,970.36
  4. Step 4: Simplify right side
    56,138,837.28x = 2,428,938,509,721,903
  5. Step 5: Solve for x
    x = 2,428,938,509,721,903/56,138,837.28
  6. Step 6: Final answer
    x = 43,266,633.71

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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.