Home / 81,250,877.71-121,885,564.83-29,459,870.51

Finding the Fourth Proportional to 81,250,877.71, 121,885,564.83 and 29,459,870.51

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Solution

The fourth proportional to 81,250,877.71, 121,885,564.83 and 29,459,870.51 is: 44,193,158.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,250,877.71 : 121,885,564.83 = 29,459,870.51 : x
  2. Step 2: Convert to fraction form
    81,250,877.71/121,885,564.83 = 29,459,870.51/x
  3. Step 3: Cross multiply
    81,250,877.71x = 121,885,564.83 × 29,459,870.51
  4. Step 4: Simplify right side
    81,250,877.71x = 3,590,732,956,458,749
  5. Step 5: Solve for x
    x = 3,590,732,956,458,749/81,250,877.71
  6. Step 6: Final answer
    x = 44,193,158.99

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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.