Home / 43,134,138.60-64,701,207.90-20,459,322.60

Finding the Fourth Proportional to 43,134,138.60, 64,701,207.90 and 20,459,322.60

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Solution

The fourth proportional to 43,134,138.60, 64,701,207.90 and 20,459,322.60 is: 30,688,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,134,138.60 : 64,701,207.90 = 20,459,322.60 : x
  2. Step 2: Convert to fraction form
    43,134,138.60/64,701,207.90 = 20,459,322.60/x
  3. Step 3: Cross multiply
    43,134,138.60x = 64,701,207.90 × 20,459,322.60
  4. Step 4: Simplify right side
    43,134,138.60x = 1,323,742,885,035,768.50
  5. Step 5: Solve for x
    x = 1,323,742,885,035,768.50/43,134,138.60
  6. Step 6: Final answer
    x = 30,688,983.90

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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.