Home / 216,660,417.51-298,991,955.70-117,541,164.90

Finding the Fourth Proportional to 216,660,417.51, 298,991,955.70 and 117,541,164.90

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Solution

The fourth proportional to 216,660,417.51, 298,991,955.70 and 117,541,164.90 is: 162,207,121.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,660,417.51 : 298,991,955.70 = 117,541,164.90 : x
  2. Step 2: Convert to fraction form
    216,660,417.51/298,991,955.70 = 117,541,164.90/x
  3. Step 3: Cross multiply
    216,660,417.51x = 298,991,955.70 × 117,541,164.90
  4. Step 4: Simplify right side
    216,660,417.51x = 35,143,862,767,631,436
  5. Step 5: Solve for x
    x = 35,143,862,767,631,436/216,660,417.51
  6. Step 6: Final answer
    x = 162,207,121.96

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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.