Home / 119,178,097.20-178,767,145.80-64,758,538.80

Finding the Fourth Proportional to 119,178,097.20, 178,767,145.80 and 64,758,538.80

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Solution

The fourth proportional to 119,178,097.20, 178,767,145.80 and 64,758,538.80 is: 97,137,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,178,097.20 : 178,767,145.80 = 64,758,538.80 : x
  2. Step 2: Convert to fraction form
    119,178,097.20/178,767,145.80 = 64,758,538.80/x
  3. Step 3: Cross multiply
    119,178,097.20x = 178,767,145.80 × 64,758,538.80
  4. Step 4: Simplify right side
    119,178,097.20x = 11,576,699,147,454,558
  5. Step 5: Solve for x
    x = 11,576,699,147,454,558/119,178,097.20
  6. Step 6: Final answer
    x = 97,137,808.20

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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.