Home / 149,672,457.40-224,739,633.30-81,648,009.40

Finding the Fourth Proportional to 149,672,457.40, 224,739,633.30 and 81,648,009.40

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Solution

The fourth proportional to 149,672,457.40, 224,739,633.30 and 81,648,009.40 is: 122,597,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,672,457.40 : 224,739,633.30 = 81,648,009.40 : x
  2. Step 2: Convert to fraction form
    149,672,457.40/224,739,633.30 = 81,648,009.40/x
  3. Step 3: Cross multiply
    149,672,457.40x = 224,739,633.30 × 81,648,009.40
  4. Step 4: Simplify right side
    149,672,457.40x = 18,349,543,692,230,956
  5. Step 5: Solve for x
    x = 18,349,543,692,230,956/149,672,457.40
  6. Step 6: Final answer
    x = 122,597,998.40

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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.