Home / 153,948,634.50-212,447,423.13-83,382,489.27

Finding the Fourth Proportional to 153,948,634.50, 212,447,423.13 and 83,382,489.27

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Solution

The fourth proportional to 153,948,634.50, 212,447,423.13 and 83,382,489.27 is: 115,066,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,948,634.50 : 212,447,423.13 = 83,382,489.27 : x
  2. Step 2: Convert to fraction form
    153,948,634.50/212,447,423.13 = 83,382,489.27/x
  3. Step 3: Cross multiply
    153,948,634.50x = 212,447,423.13 × 83,382,489.27
  4. Step 4: Simplify right side
    153,948,634.50x = 17,714,394,979,576,374
  5. Step 5: Solve for x
    x = 17,714,394,979,576,374/153,948,634.50
  6. Step 6: Final answer
    x = 115,066,918.50

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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.