Home / 282,078,687.98-423,117,468.14-74,837,871.56

Finding the Fourth Proportional to 282,078,687.98, 423,117,468.14 and 74,837,871.56

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Solution

The fourth proportional to 282,078,687.98, 423,117,468.14 and 74,837,871.56 is: 112,256,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,078,687.98 : 423,117,468.14 = 74,837,871.56 : x
  2. Step 2: Convert to fraction form
    282,078,687.98/423,117,468.14 = 74,837,871.56/x
  3. Step 3: Cross multiply
    282,078,687.98x = 423,117,468.14 × 74,837,871.56
  4. Step 4: Simplify right side
    282,078,687.98x = 31,665,210,735,453,712
  5. Step 5: Solve for x
    x = 31,665,210,735,453,712/282,078,687.98
  6. Step 6: Final answer
    x = 112,256,657.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.