Home / 104,238,125.70-143,788,848.48-65,011,801.20

Finding the Fourth Proportional to 104,238,125.70, 143,788,848.48 and 65,011,801.20

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Solution

The fourth proportional to 104,238,125.70, 143,788,848.48 and 65,011,801.20 is: 89,679,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,238,125.70 : 143,788,848.48 = 65,011,801.20 : x
  2. Step 2: Convert to fraction form
    104,238,125.70/143,788,848.48 = 65,011,801.20/x
  3. Step 3: Cross multiply
    104,238,125.70x = 143,788,848.48 × 65,011,801.20
  4. Step 4: Simplify right side
    104,238,125.70x = 9,347,972,032,158,682
  5. Step 5: Solve for x
    x = 9,347,972,032,158,682/104,238,125.70
  6. Step 6: Final answer
    x = 89,679,011.10

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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.