Home / 103,105,312.40-154,654,469.40-26,429,092.40

Finding the Fourth Proportional to 103,105,312.40, 154,654,469.40 and 26,429,092.40

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Solution

The fourth proportional to 103,105,312.40, 154,654,469.40 and 26,429,092.40 is: 39,642,741.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,105,312.40 : 154,654,469.40 = 26,429,092.40 : x
  2. Step 2: Convert to fraction form
    103,105,312.40/154,654,469.40 = 26,429,092.40/x
  3. Step 3: Cross multiply
    103,105,312.40x = 154,654,469.40 × 26,429,092.40
  4. Step 4: Simplify right side
    103,105,312.40x = 4,087,377,261,845,572.50
  5. Step 5: Solve for x
    x = 4,087,377,261,845,572.50/103,105,312.40
  6. Step 6: Final answer
    x = 39,642,741.65

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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.