Home / 66,414,647.40-99,696,620.70-51,335,428.20

Finding the Fourth Proportional to 66,414,647.40, 99,696,620.70 and 51,335,428.20

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Solution

The fourth proportional to 66,414,647.40, 99,696,620.70 and 51,335,428.20 is: 77,060,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,414,647.40 : 99,696,620.70 = 51,335,428.20 : x
  2. Step 2: Convert to fraction form
    66,414,647.40/99,696,620.70 = 51,335,428.20/x
  3. Step 3: Cross multiply
    66,414,647.40x = 99,696,620.70 × 51,335,428.20
  4. Step 4: Simplify right side
    66,414,647.40x = 5,117,968,713,727,484
  5. Step 5: Solve for x
    x = 5,117,968,713,727,484/66,414,647.40
  6. Step 6: Final answer
    x = 77,060,842.96

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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.