Home / 216,878,789.34-299,292,729.28-124,059,297.18

Finding the Fourth Proportional to 216,878,789.34, 299,292,729.28 and 124,059,297.18

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Solution

The fourth proportional to 216,878,789.34, 299,292,729.28 and 124,059,297.18 is: 171,201,830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,878,789.34 : 299,292,729.28 = 124,059,297.18 : x
  2. Step 2: Convert to fraction form
    216,878,789.34/299,292,729.28 = 124,059,297.18/x
  3. Step 3: Cross multiply
    216,878,789.34x = 299,292,729.28 × 124,059,297.18
  4. Step 4: Simplify right side
    216,878,789.34x = 37,130,045,645,715,880
  5. Step 5: Solve for x
    x = 37,130,045,645,715,880/216,878,789.34
  6. Step 6: Final answer
    x = 171,201,830.11

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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.