Home / 30,348,878.80-45,523,318.20-27,160,232.80

Finding the Fourth Proportional to 30,348,878.80, 45,523,318.20 and 27,160,232.80

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Solution

The fourth proportional to 30,348,878.80, 45,523,318.20 and 27,160,232.80 is: 40,740,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348,878.80 : 45,523,318.20 = 27,160,232.80 : x
  2. Step 2: Convert to fraction form
    30,348,878.80/45,523,318.20 = 27,160,232.80/x
  3. Step 3: Cross multiply
    30,348,878.80x = 45,523,318.20 × 27,160,232.80
  4. Step 4: Simplify right side
    30,348,878.80x = 1,236,423,920,140,477
  5. Step 5: Solve for x
    x = 1,236,423,920,140,477/30,348,878.80
  6. Step 6: Final answer
    x = 40,740,349.20

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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.