Home / 84,877,207.20-127,315,810.80-39,527,575.20

Finding the Fourth Proportional to 84,877,207.20, 127,315,810.80 and 39,527,575.20

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Solution

The fourth proportional to 84,877,207.20, 127,315,810.80 and 39,527,575.20 is: 59,291,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,877,207.20 : 127,315,810.80 = 39,527,575.20 : x
  2. Step 2: Convert to fraction form
    84,877,207.20/127,315,810.80 = 39,527,575.20/x
  3. Step 3: Cross multiply
    84,877,207.20x = 127,315,810.80 × 39,527,575.20
  4. Step 4: Simplify right side
    84,877,207.20x = 5,032,485,285,545,972
  5. Step 5: Solve for x
    x = 5,032,485,285,545,972/84,877,207.20
  6. Step 6: Final answer
    x = 59,291,362.80

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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.