Home / 66,905,394.53-100,346,119.99-42,572,039.74

Finding the Fourth Proportional to 66,905,394.53, 100,346,119.99 and 42,572,039.74

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Solution

The fourth proportional to 66,905,394.53, 100,346,119.99 and 42,572,039.74 is: 63,850,441.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,905,394.53 : 100,346,119.99 = 42,572,039.74 : x
  2. Step 2: Convert to fraction form
    66,905,394.53/100,346,119.99 = 42,572,039.74/x
  3. Step 3: Cross multiply
    66,905,394.53x = 100,346,119.99 × 42,572,039.74
  4. Step 4: Simplify right side
    66,905,394.53x = 4,271,939,007,611,792.50
  5. Step 5: Solve for x
    x = 4,271,939,007,611,792.50/66,905,394.53
  6. Step 6: Final answer
    x = 63,850,441.93

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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.