Home / 74,995,596.69-112,432,857.36-68,942,152.01

Finding the Fourth Proportional to 74,995,596.69, 112,432,857.36 and 68,942,152.01

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Solution

The fourth proportional to 74,995,596.69, 112,432,857.36 and 68,942,152.01 is: 103,357,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,995,596.69 : 112,432,857.36 = 68,942,152.01 : x
  2. Step 2: Convert to fraction form
    74,995,596.69/112,432,857.36 = 68,942,152.01/x
  3. Step 3: Cross multiply
    74,995,596.69x = 112,432,857.36 × 68,942,152.01
  4. Step 4: Simplify right side
    74,995,596.69x = 7,751,363,143,031,768
  5. Step 5: Solve for x
    x = 7,751,363,143,031,768/74,995,596.69
  6. Step 6: Final answer
    x = 103,357,576.78

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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.