Home / 85,192,925.20-127,789,387.80-34,111,603.60

Finding the Fourth Proportional to 85,192,925.20, 127,789,387.80 and 34,111,603.60

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Solution

The fourth proportional to 85,192,925.20, 127,789,387.80 and 34,111,603.60 is: 51,167,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,192,925.20 : 127,789,387.80 = 34,111,603.60 : x
  2. Step 2: Convert to fraction form
    85,192,925.20/127,789,387.80 = 34,111,603.60/x
  3. Step 3: Cross multiply
    85,192,925.20x = 127,789,387.80 × 34,111,603.60
  4. Step 4: Simplify right side
    85,192,925.20x = 4,359,100,940,920,276
  5. Step 5: Solve for x
    x = 4,359,100,940,920,276/85,192,925.20
  6. Step 6: Final answer
    x = 51,167,405.40

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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.