Home / 53,920,110.40-80,880,165.60-53,584,187.20

Finding the Fourth Proportional to 53,920,110.40, 80,880,165.60 and 53,584,187.20

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Solution

The fourth proportional to 53,920,110.40, 80,880,165.60 and 53,584,187.20 is: 80,376,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,920,110.40 : 80,880,165.60 = 53,584,187.20 : x
  2. Step 2: Convert to fraction form
    53,920,110.40/80,880,165.60 = 53,584,187.20/x
  3. Step 3: Cross multiply
    53,920,110.40x = 80,880,165.60 × 53,584,187.20
  4. Step 4: Simplify right side
    53,920,110.40x = 4,333,897,934,277,400
  5. Step 5: Solve for x
    x = 4,333,897,934,277,400/53,920,110.40
  6. Step 6: Final answer
    x = 80,376,280.80

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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.