Home / 66,274,023.31-99,426,682.95-20,835,817.81

Finding the Fourth Proportional to 66,274,023.31, 99,426,682.95 and 20,835,817.81

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Solution

The fourth proportional to 66,274,023.31, 99,426,682.95 and 20,835,817.81 is: 31,258,646.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,274,023.31 : 99,426,682.95 = 20,835,817.81 : x
  2. Step 2: Convert to fraction form
    66,274,023.31/99,426,682.95 = 20,835,817.81/x
  3. Step 3: Cross multiply
    66,274,023.31x = 99,426,682.95 × 20,835,817.81
  4. Step 4: Simplify right side
    66,274,023.31x = 2,071,636,251,398,833.25
  5. Step 5: Solve for x
    x = 2,071,636,251,398,833.25/66,274,023.31
  6. Step 6: Final answer
    x = 31,258,646.27

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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.