Home / 282,958,947.96-424,438,421.94-78,487,023.48

Finding the Fourth Proportional to 282,958,947.96, 424,438,421.94 and 78,487,023.48

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Solution

The fourth proportional to 282,958,947.96, 424,438,421.94 and 78,487,023.48 is: 117,730,535.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,958,947.96 : 424,438,421.94 = 78,487,023.48 : x
  2. Step 2: Convert to fraction form
    282,958,947.96/424,438,421.94 = 78,487,023.48/x
  3. Step 3: Cross multiply
    282,958,947.96x = 424,438,421.94 × 78,487,023.48
  4. Step 4: Simplify right side
    282,958,947.96x = 33,312,908,388,618,928
  5. Step 5: Solve for x
    x = 33,312,908,388,618,928/282,958,947.96
  6. Step 6: Final answer
    x = 117,730,535.22

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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.