Home / 108,249,654.30-149,240,010.78-85,996,476.48

Finding the Fourth Proportional to 108,249,654.30, 149,240,010.78 and 85,996,476.48

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Solution

The fourth proportional to 108,249,654.30, 149,240,010.78 and 85,996,476.48 is: 118,560,333.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,249,654.30 : 149,240,010.78 = 85,996,476.48 : x
  2. Step 2: Convert to fraction form
    108,249,654.30/149,240,010.78 = 85,996,476.48/x
  3. Step 3: Cross multiply
    108,249,654.30x = 149,240,010.78 × 85,996,476.48
  4. Step 4: Simplify right side
    108,249,654.30x = 12,834,115,076,917,218
  5. Step 5: Solve for x
    x = 12,834,115,076,917,218/108,249,654.30
  6. Step 6: Final answer
    x = 118,560,333.15

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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.