Home / 180,526,893.14-249,120,128.12-98,018,789.78

Finding the Fourth Proportional to 180,526,893.14, 249,120,128.12 and 98,018,789.78

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Solution

The fourth proportional to 180,526,893.14, 249,120,128.12 and 98,018,789.78 is: 135,262,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,526,893.14 : 249,120,128.12 = 98,018,789.78 : x
  2. Step 2: Convert to fraction form
    180,526,893.14/249,120,128.12 = 98,018,789.78/x
  3. Step 3: Cross multiply
    180,526,893.14x = 249,120,128.12 × 98,018,789.78
  4. Step 4: Simplify right side
    180,526,893.14x = 24,418,453,468,160,948
  5. Step 5: Solve for x
    x = 24,418,453,468,160,948/180,526,893.14
  6. Step 6: Final answer
    x = 135,262,137.64

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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.