Home / 134,868,166.48-186,118,067.48-72,988,505.04

Finding the Fourth Proportional to 134,868,166.48, 186,118,067.48 and 72,988,505.04

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Solution

The fourth proportional to 134,868,166.48, 186,118,067.48 and 72,988,505.04 is: 100,724,135.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,868,166.48 : 186,118,067.48 = 72,988,505.04 : x
  2. Step 2: Convert to fraction form
    134,868,166.48/186,118,067.48 = 72,988,505.04/x
  3. Step 3: Cross multiply
    134,868,166.48x = 186,118,067.48 × 72,988,505.04
  4. Step 4: Simplify right side
    134,868,166.48x = 13,584,479,506,299,040
  5. Step 5: Solve for x
    x = 13,584,479,506,299,040/134,868,166.48
  6. Step 6: Final answer
    x = 100,724,135.73

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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.