Home / 43,134,137.10-64,701,205.65-20,459,321.10

Finding the Fourth Proportional to 43,134,137.10, 64,701,205.65 and 20,459,321.10

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Solution

The fourth proportional to 43,134,137.10, 64,701,205.65 and 20,459,321.10 is: 30,688,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,134,137.10 : 64,701,205.65 = 20,459,321.10 : x
  2. Step 2: Convert to fraction form
    43,134,137.10/64,701,205.65 = 20,459,321.10/x
  3. Step 3: Cross multiply
    43,134,137.10x = 64,701,205.65 × 20,459,321.10
  4. Step 4: Simplify right side
    43,134,137.10x = 1,323,742,741,950,484.25
  5. Step 5: Solve for x
    x = 1,323,742,741,950,484.25/43,134,137.10
  6. Step 6: Final answer
    x = 30,688,981.65

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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.