Home / 149,856,041.40-224,672,087.70-81,775,606.20

Finding the Fourth Proportional to 149,856,041.40, 224,672,087.70 and 81,775,606.20

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Solution

The fourth proportional to 149,856,041.40, 224,672,087.70 and 81,775,606.20 is: 122,602,305.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,856,041.40 : 224,672,087.70 = 81,775,606.20 : x
  2. Step 2: Convert to fraction form
    149,856,041.40/224,672,087.70 = 81,775,606.20/x
  3. Step 3: Cross multiply
    149,856,041.40x = 224,672,087.70 × 81,775,606.20
  4. Step 4: Simplify right side
    149,856,041.40x = 18,372,696,167,887,064
  5. Step 5: Solve for x
    x = 18,372,696,167,887,064/149,856,041.40
  6. Step 6: Final answer
    x = 122,602,305.49

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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.