Home / 308,881,686.65-426,283,016.42-174,943,429.50

Finding the Fourth Proportional to 308,881,686.65, 426,283,016.42 and 174,943,429.50

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Solution

The fourth proportional to 308,881,686.65, 426,283,016.42 and 174,943,429.50 is: 241,436,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,881,686.65 : 426,283,016.42 = 174,943,429.50 : x
  2. Step 2: Convert to fraction form
    308,881,686.65/426,283,016.42 = 174,943,429.50/x
  3. Step 3: Cross multiply
    308,881,686.65x = 426,283,016.42 × 174,943,429.50
  4. Step 4: Simplify right side
    308,881,686.65x = 74,575,412,828,425,568
  5. Step 5: Solve for x
    x = 74,575,412,828,425,568/308,881,686.65
  6. Step 6: Final answer
    x = 241,436,822.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.