Home / 134,563,853.93-185,698,189.59-72,684,192.38

Finding the Fourth Proportional to 134,563,853.93, 185,698,189.59 and 72,684,192.38

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Solution

The fourth proportional to 134,563,853.93, 185,698,189.59 and 72,684,192.38 is: 100,304,223.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,563,853.93 : 185,698,189.59 = 72,684,192.38 : x
  2. Step 2: Convert to fraction form
    134,563,853.93/185,698,189.59 = 72,684,192.38/x
  3. Step 3: Cross multiply
    134,563,853.93x = 185,698,189.59 × 72,684,192.38
  4. Step 4: Simplify right side
    134,563,853.93x = 13,497,322,936,777,272
  5. Step 5: Solve for x
    x = 13,497,322,936,777,272/134,563,853.93
  6. Step 6: Final answer
    x = 100,304,223.92

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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.