Home / 107,302,801.20-160,788,864.60-79,880,445.60

Finding the Fourth Proportional to 107,302,801.20, 160,788,864.60 and 79,880,445.60

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Solution

The fourth proportional to 107,302,801.20, 160,788,864.60 and 79,880,445.60 is: 119,697,584.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,302,801.20 : 160,788,864.60 = 79,880,445.60 : x
  2. Step 2: Convert to fraction form
    107,302,801.20/160,788,864.60 = 79,880,445.60/x
  3. Step 3: Cross multiply
    107,302,801.20x = 160,788,864.60 × 79,880,445.60
  4. Step 4: Simplify right side
    107,302,801.20x = 12,843,886,151,766,064
  5. Step 5: Solve for x
    x = 12,843,886,151,766,064/107,302,801.20
  6. Step 6: Final answer
    x = 119,697,584.85

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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.