Home / 134,563,854.18-185,698,189.94-72,684,192.63

Finding the Fourth Proportional to 134,563,854.18, 185,698,189.94 and 72,684,192.63

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Solution

The fourth proportional to 134,563,854.18, 185,698,189.94 and 72,684,192.63 is: 100,304,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,563,854.18 : 185,698,189.94 = 72,684,192.63 : x
  2. Step 2: Convert to fraction form
    134,563,854.18/185,698,189.94 = 72,684,192.63/x
  3. Step 3: Cross multiply
    134,563,854.18x = 185,698,189.94 × 72,684,192.63
  4. Step 4: Simplify right side
    134,563,854.18x = 13,497,323,008,277,866
  5. Step 5: Solve for x
    x = 13,497,323,008,277,866/134,563,854.18
  6. Step 6: Final answer
    x = 100,304,224.27

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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.