Home / 42,623,999.70-63,935,999.55-25,603,890.90

Finding the Fourth Proportional to 42,623,999.70, 63,935,999.55 and 25,603,890.90

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Solution

The fourth proportional to 42,623,999.70, 63,935,999.55 and 25,603,890.90 is: 38,405,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,623,999.70 : 63,935,999.55 = 25,603,890.90 : x
  2. Step 2: Convert to fraction form
    42,623,999.70/63,935,999.55 = 25,603,890.90/x
  3. Step 3: Cross multiply
    42,623,999.70x = 63,935,999.55 × 25,603,890.90
  4. Step 4: Simplify right side
    42,623,999.70x = 1,637,010,357,060,649
  5. Step 5: Solve for x
    x = 1,637,010,357,060,649/42,623,999.70
  6. Step 6: Final answer
    x = 38,405,836.35

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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.