Home / 119,178,074.20-178,767,111.30-64,758,515.80

Finding the Fourth Proportional to 119,178,074.20, 178,767,111.30 and 64,758,515.80

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Solution

The fourth proportional to 119,178,074.20, 178,767,111.30 and 64,758,515.80 is: 97,137,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,178,074.20 : 178,767,111.30 = 64,758,515.80 : x
  2. Step 2: Convert to fraction form
    119,178,074.20/178,767,111.30 = 64,758,515.80/x
  3. Step 3: Cross multiply
    119,178,074.20x = 178,767,111.30 × 64,758,515.80
  4. Step 4: Simplify right side
    119,178,074.20x = 11,576,692,801,641,408
  5. Step 5: Solve for x
    x = 11,576,692,801,641,408/119,178,074.20
  6. Step 6: Final answer
    x = 97,137,773.70

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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.