Home / 92,859,131.40-128,144,164.70-51,042,301.88

Finding the Fourth Proportional to 92,859,131.40, 128,144,164.70 and 51,042,301.88

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Solution

The fourth proportional to 92,859,131.40, 128,144,164.70 and 51,042,301.88 is: 70,437,586.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,859,131.40 : 128,144,164.70 = 51,042,301.88 : x
  2. Step 2: Convert to fraction form
    92,859,131.40/128,144,164.70 = 51,042,301.88/x
  3. Step 3: Cross multiply
    92,859,131.40x = 128,144,164.70 × 51,042,301.88
  4. Step 4: Simplify right side
    92,859,131.40x = 6,540,773,138,777,840
  5. Step 5: Solve for x
    x = 6,540,773,138,777,840/92,859,131.40
  6. Step 6: Final answer
    x = 70,437,586.91

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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.