Home / 145,317,369.68-217,760,795.40-119,592,359.36

Finding the Fourth Proportional to 145,317,369.68, 217,760,795.40 and 119,592,359.36

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Solution

The fourth proportional to 145,317,369.68, 217,760,795.40 and 119,592,359.36 is: 179,211,386.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,317,369.68 : 217,760,795.40 = 119,592,359.36 : x
  2. Step 2: Convert to fraction form
    145,317,369.68/217,760,795.40 = 119,592,359.36/x
  3. Step 3: Cross multiply
    145,317,369.68x = 217,760,795.40 × 119,592,359.36
  4. Step 4: Simplify right side
    145,317,369.68x = 26,042,527,297,996,236
  5. Step 5: Solve for x
    x = 26,042,527,297,996,236/145,317,369.68
  6. Step 6: Final answer
    x = 179,211,386.47

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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.