Home / 66,430,266.60-99,645,399.90-42,276,273.15

Finding the Fourth Proportional to 66,430,266.60, 99,645,399.90 and 42,276,273.15

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Solution

The fourth proportional to 66,430,266.60, 99,645,399.90 and 42,276,273.15 is: 63,414,409.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,266.60 : 99,645,399.90 = 42,276,273.15 : x
  2. Step 2: Convert to fraction form
    66,430,266.60/99,645,399.90 = 42,276,273.15/x
  3. Step 3: Cross multiply
    66,430,266.60x = 99,645,399.90 × 42,276,273.15
  4. Step 4: Simplify right side
    66,430,266.60x = 4,212,636,144,313,383
  5. Step 5: Solve for x
    x = 4,212,636,144,313,383/66,430,266.60
  6. Step 6: Final answer
    x = 63,414,409.73

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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.