Home / 76,789,666.60-115,184,499.90-56,382,332.20

Finding the Fourth Proportional to 76,789,666.60, 115,184,499.90 and 56,382,332.20

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Solution

The fourth proportional to 76,789,666.60, 115,184,499.90 and 56,382,332.20 is: 84,573,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,789,666.60 : 115,184,499.90 = 56,382,332.20 : x
  2. Step 2: Convert to fraction form
    76,789,666.60/115,184,499.90 = 56,382,332.20/x
  3. Step 3: Cross multiply
    76,789,666.60x = 115,184,499.90 × 56,382,332.20
  4. Step 4: Simplify right side
    76,789,666.60x = 6,494,370,737,652,667
  5. Step 5: Solve for x
    x = 6,494,370,737,652,667/76,789,666.60
  6. Step 6: Final answer
    x = 84,573,498.30

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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.