Home / 66,435,497.55-99,653,246.33-30,603,689.55

Finding the Fourth Proportional to 66,435,497.55, 99,653,246.33 and 30,603,689.55

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Solution

The fourth proportional to 66,435,497.55, 99,653,246.33 and 30,603,689.55 is: 45,905,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,435,497.55 : 99,653,246.33 = 30,603,689.55 : x
  2. Step 2: Convert to fraction form
    66,435,497.55/99,653,246.33 = 30,603,689.55/x
  3. Step 3: Cross multiply
    66,435,497.55x = 99,653,246.33 × 30,603,689.55
  4. Step 4: Simplify right side
    66,435,497.55x = 3,049,757,013,179,978.50
  5. Step 5: Solve for x
    x = 3,049,757,013,179,978.50/66,435,497.55
  6. Step 6: Final answer
    x = 45,905,534.33

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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.