Home / 420,744,302.73-631,116,459.57-114,036,415.61

Finding the Fourth Proportional to 420,744,302.73, 631,116,459.57 and 114,036,415.61

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Solution

The fourth proportional to 420,744,302.73, 631,116,459.57 and 114,036,415.61 is: 171,054,624.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,744,302.73 : 631,116,459.57 = 114,036,415.61 : x
  2. Step 2: Convert to fraction form
    420,744,302.73/631,116,459.57 = 114,036,415.61/x
  3. Step 3: Cross multiply
    420,744,302.73x = 631,116,459.57 × 114,036,415.61
  4. Step 4: Simplify right side
    420,744,302.73x = 71,970,258,878,680,712
  5. Step 5: Solve for x
    x = 71,970,258,878,680,712/420,744,302.73
  6. Step 6: Final answer
    x = 171,054,624.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.