Home / 61,270,103.40-91,905,155.10-54,573,946.80

Finding the Fourth Proportional to 61,270,103.40, 91,905,155.10 and 54,573,946.80

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Solution

The fourth proportional to 61,270,103.40, 91,905,155.10 and 54,573,946.80 is: 81,860,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,270,103.40 : 91,905,155.10 = 54,573,946.80 : x
  2. Step 2: Convert to fraction form
    61,270,103.40/91,905,155.10 = 54,573,946.80/x
  3. Step 3: Cross multiply
    61,270,103.40x = 91,905,155.10 × 54,573,946.80
  4. Step 4: Simplify right side
    61,270,103.40x = 5,015,627,045,073,148
  5. Step 5: Solve for x
    x = 5,015,627,045,073,148/61,270,103.40
  6. Step 6: Final answer
    x = 81,860,920.20

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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.