Home / 207,011,889.74-310,484,927.54-68,826,003.14

Finding the Fourth Proportional to 207,011,889.74, 310,484,927.54 and 68,826,003.14

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Solution

The fourth proportional to 207,011,889.74, 310,484,927.54 and 68,826,003.14 is: 103,228,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,011,889.74 : 310,484,927.54 = 68,826,003.14 : x
  2. Step 2: Convert to fraction form
    207,011,889.74/310,484,927.54 = 68,826,003.14/x
  3. Step 3: Cross multiply
    207,011,889.74x = 310,484,927.54 × 68,826,003.14
  4. Step 4: Simplify right side
    207,011,889.74x = 21,369,436,596,238,292
  5. Step 5: Solve for x
    x = 21,369,436,596,238,292/207,011,889.74
  6. Step 6: Final answer
    x = 103,228,063.97

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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.