Home / 77,296,948.28-106,721,153.72-59,383,263.68

Finding the Fourth Proportional to 77,296,948.28, 106,721,153.72 and 59,383,263.68

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Solution

The fourth proportional to 77,296,948.28, 106,721,153.72 and 59,383,263.68 is: 81,988,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,296,948.28 : 106,721,153.72 = 59,383,263.68 : x
  2. Step 2: Convert to fraction form
    77,296,948.28/106,721,153.72 = 59,383,263.68/x
  3. Step 3: Cross multiply
    77,296,948.28x = 106,721,153.72 × 59,383,263.68
  4. Step 4: Simplify right side
    77,296,948.28x = 6,337,450,411,588,573
  5. Step 5: Solve for x
    x = 6,337,450,411,588,573/77,296,948.28
  6. Step 6: Final answer
    x = 81,988,365.03

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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.