Home / 66,754,754.61-92,111,038.79-38,882,051.97

Finding the Fourth Proportional to 66,754,754.61, 92,111,038.79 and 38,882,051.97

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Solution

The fourth proportional to 66,754,754.61, 92,111,038.79 and 38,882,051.97 is: 53,651,102.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,754,754.61 : 92,111,038.79 = 38,882,051.97 : x
  2. Step 2: Convert to fraction form
    66,754,754.61/92,111,038.79 = 38,882,051.97/x
  3. Step 3: Cross multiply
    66,754,754.61x = 92,111,038.79 × 38,882,051.97
  4. Step 4: Simplify right side
    66,754,754.61x = 3,581,466,197,049,055.50
  5. Step 5: Solve for x
    x = 3,581,466,197,049,055.50/66,754,754.61
  6. Step 6: Final answer
    x = 53,651,102.73

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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.