Home / 66,430,230.60-99,645,345.90-42,276,237.15

Finding the Fourth Proportional to 66,430,230.60, 99,645,345.90 and 42,276,237.15

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Solution

The fourth proportional to 66,430,230.60, 99,645,345.90 and 42,276,237.15 is: 63,414,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,230.60 : 99,645,345.90 = 42,276,237.15 : x
  2. Step 2: Convert to fraction form
    66,430,230.60/99,645,345.90 = 42,276,237.15/x
  3. Step 3: Cross multiply
    66,430,230.60x = 99,645,345.90 × 42,276,237.15
  4. Step 4: Simplify right side
    66,430,230.60x = 4,212,630,274,162,180.50
  5. Step 5: Solve for x
    x = 4,212,630,274,162,180.50/66,430,230.60
  6. Step 6: Final answer
    x = 63,414,355.73

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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.