Home / 105,527,869.03-145,628,473.12-58,487,979.45

Finding the Fourth Proportional to 105,527,869.03, 145,628,473.12 and 58,487,979.45

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Solution

The fourth proportional to 105,527,869.03, 145,628,473.12 and 58,487,979.45 is: 80,713,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,527,869.03 : 145,628,473.12 = 58,487,979.45 : x
  2. Step 2: Convert to fraction form
    105,527,869.03/145,628,473.12 = 58,487,979.45/x
  3. Step 3: Cross multiply
    105,527,869.03x = 145,628,473.12 × 58,487,979.45
  4. Step 4: Simplify right side
    105,527,869.03x = 8,517,515,143,577,325
  5. Step 5: Solve for x
    x = 8,517,515,143,577,325/105,527,869.03
  6. Step 6: Final answer
    x = 80,713,419.32

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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.