Home / 149,672,460.40-224,739,637.80-81,648,012.40

Finding the Fourth Proportional to 149,672,460.40, 224,739,637.80 and 81,648,012.40

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Solution

The fourth proportional to 149,672,460.40, 224,739,637.80 and 81,648,012.40 is: 122,598,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,672,460.40 : 224,739,637.80 = 81,648,012.40 : x
  2. Step 2: Convert to fraction form
    149,672,460.40/224,739,637.80 = 81,648,012.40/x
  3. Step 3: Cross multiply
    149,672,460.40x = 224,739,637.80 × 81,648,012.40
  4. Step 4: Simplify right side
    149,672,460.40x = 18,349,544,733,865,912
  5. Step 5: Solve for x
    x = 18,349,544,733,865,912/149,672,460.40
  6. Step 6: Final answer
    x = 122,598,002.90

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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.