Home / 85,248,021.80-127,872,032.70-56,526,588.20

Finding the Fourth Proportional to 85,248,021.80, 127,872,032.70 and 56,526,588.20

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Solution

The fourth proportional to 85,248,021.80, 127,872,032.70 and 56,526,588.20 is: 84,789,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,248,021.80 : 127,872,032.70 = 56,526,588.20 : x
  2. Step 2: Convert to fraction form
    85,248,021.80/127,872,032.70 = 56,526,588.20/x
  3. Step 3: Cross multiply
    85,248,021.80x = 127,872,032.70 × 56,526,588.20
  4. Step 4: Simplify right side
    85,248,021.80x = 7,228,169,734,729,835
  5. Step 5: Solve for x
    x = 7,228,169,734,729,835/85,248,021.80
  6. Step 6: Final answer
    x = 84,789,882.30

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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.