Home / 210,358,742.56-315,553,979.10-62,794,651.72

Finding the Fourth Proportional to 210,358,742.56, 315,553,979.10 and 62,794,651.72

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Solution

The fourth proportional to 210,358,742.56, 315,553,979.10 and 62,794,651.72 is: 94,196,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,358,742.56 : 315,553,979.10 = 62,794,651.72 : x
  2. Step 2: Convert to fraction form
    210,358,742.56/315,553,979.10 = 62,794,651.72/x
  3. Step 3: Cross multiply
    210,358,742.56x = 315,553,979.10 × 62,794,651.72
  4. Step 4: Simplify right side
    210,358,742.56x = 19,815,102,216,444,660
  5. Step 5: Solve for x
    x = 19,815,102,216,444,660/210,358,742.56
  6. Step 6: Final answer
    x = 94,196,713.55

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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.