Home / 216,972,568.90-299,424,397.02-117,855,246.64

Finding the Fourth Proportional to 216,972,568.90, 299,424,397.02 and 117,855,246.64

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Solution

The fourth proportional to 216,972,568.90, 299,424,397.02 and 117,855,246.64 is: 162,641,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,972,568.90 : 299,424,397.02 = 117,855,246.64 : x
  2. Step 2: Convert to fraction form
    216,972,568.90/299,424,397.02 = 117,855,246.64/x
  3. Step 3: Cross multiply
    216,972,568.90x = 299,424,397.02 × 117,855,246.64
  4. Step 4: Simplify right side
    216,972,568.90x = 35,288,736,160,825,380
  5. Step 5: Solve for x
    x = 35,288,736,160,825,380/216,972,568.90
  6. Step 6: Final answer
    x = 162,641,463.57

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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.