Home / 20,201,431,314.13-30,302,176,135.15-8,249,683,667.69

Finding the Fourth Proportional to 20,201,431,314.13, 30,302,176,135.15 and 8,249,683,667.69

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Solution

The fourth proportional to 20,201,431,314.13, 30,302,176,135.15 and 8,249,683,667.69 is: 12,374,537,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201,431,314.13 : 30,302,176,135.15 = 8,249,683,667.69 : x
  2. Step 2: Convert to fraction form
    20,201,431,314.13/30,302,176,135.15 = 8,249,683,667.69/x
  3. Step 3: Cross multiply
    20,201,431,314.13x = 30,302,176,135.15 × 8,249,683,667.69
  4. Step 4: Simplify right side
    20,201,431,314.13x = 249,983,367,557,419,892,736
  5. Step 5: Solve for x
    x = 249,983,367,557,419,892,736/20,201,431,314.13
  6. Step 6: Final answer
    x = 12,374,537,411.25

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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.