Home / 216,779,222.50-299,154,572.55-117,659,969.57

Finding the Fourth Proportional to 216,779,222.50, 299,154,572.55 and 117,659,969.57

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Solution

The fourth proportional to 216,779,222.50, 299,154,572.55 and 117,659,969.57 is: 162,370,348.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,779,222.50 : 299,154,572.55 = 117,659,969.57 : x
  2. Step 2: Convert to fraction form
    216,779,222.50/299,154,572.55 = 117,659,969.57/x
  3. Step 3: Cross multiply
    216,779,222.50x = 299,154,572.55 × 117,659,969.57
  4. Step 4: Simplify right side
    216,779,222.50x = 35,198,517,902,357,800
  5. Step 5: Solve for x
    x = 35,198,517,902,357,800/216,779,222.50
  6. Step 6: Final answer
    x = 162,370,348.49

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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.