Home / 118,334,453.31-163,298,412.72-66,123,918

Finding the Fourth Proportional to 118,334,453.31, 163,298,412.72 and 66,123,918

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Solution

The fourth proportional to 118,334,453.31, 163,298,412.72 and 66,123,918 is: 91,249,256.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,334,453.31 : 163,298,412.72 = 66,123,918 : x
  2. Step 2: Convert to fraction form
    118,334,453.31/163,298,412.72 = 66,123,918/x
  3. Step 3: Cross multiply
    118,334,453.31x = 163,298,412.72 × 66,123,918
  4. Step 4: Simplify right side
    118,334,453.31x = 10,797,930,852,227,436
  5. Step 5: Solve for x
    x = 10,797,930,852,227,436/118,334,453.31
  6. Step 6: Final answer
    x = 91,249,256.24

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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.