Home / 149,502,005.70-224,294,998.95-72,827,535.30

Finding the Fourth Proportional to 149,502,005.70, 224,294,998.95 and 72,827,535.30

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Solution

The fourth proportional to 149,502,005.70, 224,294,998.95 and 72,827,535.30 is: 109,261,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,502,005.70 : 224,294,998.95 = 72,827,535.30 : x
  2. Step 2: Convert to fraction form
    149,502,005.70/224,294,998.95 = 72,827,535.30/x
  3. Step 3: Cross multiply
    149,502,005.70x = 224,294,998.95 × 72,827,535.30
  4. Step 4: Simplify right side
    149,502,005.70x = 16,334,851,953,644,586
  5. Step 5: Solve for x
    x = 16,334,851,953,644,586/149,502,005.70
  6. Step 6: Final answer
    x = 109,261,757.91

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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.