Home / 66,571,656.04-99,678,013.98-43,485,414.76

Finding the Fourth Proportional to 66,571,656.04, 99,678,013.98 and 43,485,414.76

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Solution

The fourth proportional to 66,571,656.04, 99,678,013.98 and 43,485,414.76 is: 65,110,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,571,656.04 : 99,678,013.98 = 43,485,414.76 : x
  2. Step 2: Convert to fraction form
    66,571,656.04/99,678,013.98 = 43,485,414.76/x
  3. Step 3: Cross multiply
    66,571,656.04x = 99,678,013.98 × 43,485,414.76
  4. Step 4: Simplify right side
    66,571,656.04x = 4,334,539,780,373,378.50
  5. Step 5: Solve for x
    x = 4,334,539,780,373,378.50/66,571,656.04
  6. Step 6: Final answer
    x = 65,110,890.10

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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.