Home / 66,430,214.55-99,645,321.83-40,602,181.95

Finding the Fourth Proportional to 66,430,214.55, 99,645,321.83 and 40,602,181.95

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Solution

The fourth proportional to 66,430,214.55, 99,645,321.83 and 40,602,181.95 is: 60,903,272.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,214.55 : 99,645,321.83 = 40,602,181.95 : x
  2. Step 2: Convert to fraction form
    66,430,214.55/99,645,321.83 = 40,602,181.95/x
  3. Step 3: Cross multiply
    66,430,214.55x = 99,645,321.83 × 40,602,181.95
  4. Step 4: Simplify right side
    66,430,214.55x = 4,045,817,487,204,956.50
  5. Step 5: Solve for x
    x = 4,045,817,487,204,956.50/66,430,214.55
  6. Step 6: Final answer
    x = 60,903,272.93

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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.