Home / 77,157,777.60-115,575,703.20-36,252,129.60

Finding the Fourth Proportional to 77,157,777.60, 115,575,703.20 and 36,252,129.60

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Solution

The fourth proportional to 77,157,777.60, 115,575,703.20 and 36,252,129.60 is: 54,302,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,157,777.60 : 115,575,703.20 = 36,252,129.60 : x
  2. Step 2: Convert to fraction form
    77,157,777.60/115,575,703.20 = 36,252,129.60/x
  3. Step 3: Cross multiply
    77,157,777.60x = 115,575,703.20 × 36,252,129.60
  4. Step 4: Simplify right side
    77,157,777.60x = 4,189,865,371,017,535
  5. Step 5: Solve for x
    x = 4,189,865,371,017,535/77,157,777.60
  6. Step 6: Final answer
    x = 54,302,566.78

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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.