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Finding the Fourth Proportional to 30,275,280.45, 45,412,920.68 and 30,275,280.45

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Solution

The fourth proportional to 30,275,280.45, 45,412,920.68 and 30,275,280.45 is: 45,412,920.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275,280.45 : 45,412,920.68 = 30,275,280.45 : x
  2. Step 2: Convert to fraction form
    30,275,280.45/45,412,920.68 = 30,275,280.45/x
  3. Step 3: Cross multiply
    30,275,280.45x = 45,412,920.68 × 30,275,280.45
  4. Step 4: Simplify right side
    30,275,280.45x = 1,374,888,909,489,228.25
  5. Step 5: Solve for x
    x = 1,374,888,909,489,228.25/30,275,280.45
  6. Step 6: Final answer
    x = 45,412,920.68

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1.5x scale

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.