Home / 55,293,470.64-76,304,456.73-30,513,885.84

Finding the Fourth Proportional to 55,293,470.64, 76,304,456.73 and 30,513,885.84

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Solution

The fourth proportional to 55,293,470.64, 76,304,456.73 and 30,513,885.84 is: 42,108,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,293,470.64 : 76,304,456.73 = 30,513,885.84 : x
  2. Step 2: Convert to fraction form
    55,293,470.64/76,304,456.73 = 30,513,885.84/x
  3. Step 3: Cross multiply
    55,293,470.64x = 76,304,456.73 × 30,513,885.84
  4. Step 4: Simplify right side
    55,293,470.64x = 2,328,345,481,742,440
  5. Step 5: Solve for x
    x = 2,328,345,481,742,440/55,293,470.64
  6. Step 6: Final answer
    x = 42,108,868.46

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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.