Home / 134,868,175.07-186,118,079.36-72,988,513.61

Finding the Fourth Proportional to 134,868,175.07, 186,118,079.36 and 72,988,513.61

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Solution

The fourth proportional to 134,868,175.07, 186,118,079.36 and 72,988,513.61 is: 100,724,147.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,868,175.07 : 186,118,079.36 = 72,988,513.61 : x
  2. Step 2: Convert to fraction form
    134,868,175.07/186,118,079.36 = 72,988,513.61/x
  3. Step 3: Cross multiply
    134,868,175.07x = 186,118,079.36 × 72,988,513.61
  4. Step 4: Simplify right side
    134,868,175.07x = 13,584,481,967,138,888
  5. Step 5: Solve for x
    x = 13,584,481,967,138,888/134,868,175.07
  6. Step 6: Final answer
    x = 100,724,147.57

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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.