Home / 127,336,812.30-191,005,218.45-45,494,898.30

Finding the Fourth Proportional to 127,336,812.30, 191,005,218.45 and 45,494,898.30

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Solution

The fourth proportional to 127,336,812.30, 191,005,218.45 and 45,494,898.30 is: 68,242,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,336,812.30 : 191,005,218.45 = 45,494,898.30 : x
  2. Step 2: Convert to fraction form
    127,336,812.30/191,005,218.45 = 45,494,898.30/x
  3. Step 3: Cross multiply
    127,336,812.30x = 191,005,218.45 × 45,494,898.30
  4. Step 4: Simplify right side
    127,336,812.30x = 8,689,762,988,152,033
  5. Step 5: Solve for x
    x = 8,689,762,988,152,033/127,336,812.30
  6. Step 6: Final answer
    x = 68,242,347.45

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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.