Home / 108,612,516.98-149,890,397.64-61,570,502.18

Finding the Fourth Proportional to 108,612,516.98, 149,890,397.64 and 61,570,502.18

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Solution

The fourth proportional to 108,612,516.98, 149,890,397.64 and 61,570,502.18 is: 84,970,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,612,516.98 : 149,890,397.64 = 61,570,502.18 : x
  2. Step 2: Convert to fraction form
    108,612,516.98/149,890,397.64 = 61,570,502.18/x
  3. Step 3: Cross multiply
    108,612,516.98x = 149,890,397.64 × 61,570,502.18
  4. Step 4: Simplify right side
    108,612,516.98x = 9,228,827,054,654,686
  5. Step 5: Solve for x
    x = 9,228,827,054,654,686/108,612,516.98
  6. Step 6: Final answer
    x = 84,970,197.83

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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.