Home / 282,958,932.96-424,438,399.44-78,487,008.48

Finding the Fourth Proportional to 282,958,932.96, 424,438,399.44 and 78,487,008.48

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Solution

The fourth proportional to 282,958,932.96, 424,438,399.44 and 78,487,008.48 is: 117,730,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,958,932.96 : 424,438,399.44 = 78,487,008.48 : x
  2. Step 2: Convert to fraction form
    282,958,932.96/424,438,399.44 = 78,487,008.48/x
  3. Step 3: Cross multiply
    282,958,932.96x = 424,438,399.44 × 78,487,008.48
  4. Step 4: Simplify right side
    282,958,932.96x = 33,312,900,256,084,908
  5. Step 5: Solve for x
    x = 33,312,900,256,084,908/282,958,932.96
  6. Step 6: Final answer
    x = 117,730,512.72

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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.