Home / 99,639,412.94-137,502,448.46-55,586,412

Finding the Fourth Proportional to 99,639,412.94, 137,502,448.46 and 55,586,412

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Solution

The fourth proportional to 99,639,412.94, 137,502,448.46 and 55,586,412 is: 76,709,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,639,412.94 : 137,502,448.46 = 55,586,412 : x
  2. Step 2: Convert to fraction form
    99,639,412.94/137,502,448.46 = 55,586,412/x
  3. Step 3: Cross multiply
    99,639,412.94x = 137,502,448.46 × 55,586,412
  4. Step 4: Simplify right side
    99,639,412.94x = 7,643,267,751,036,843
  5. Step 5: Solve for x
    x = 7,643,267,751,036,843/99,639,412.94
  6. Step 6: Final answer
    x = 76,709,281.25

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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.