Home / 133,144,461.83-199,590,721.53-78,598,932.23

Finding the Fourth Proportional to 133,144,461.83, 199,590,721.53 and 78,598,932.23

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Solution

The fourth proportional to 133,144,461.83, 199,590,721.53 and 78,598,932.23 is: 117,824,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,144,461.83 : 199,590,721.53 = 78,598,932.23 : x
  2. Step 2: Convert to fraction form
    133,144,461.83/199,590,721.53 = 78,598,932.23/x
  3. Step 3: Cross multiply
    133,144,461.83x = 199,590,721.53 × 78,598,932.23
  4. Step 4: Simplify right side
    133,144,461.83x = 15,687,617,594,275,318
  5. Step 5: Solve for x
    x = 15,687,617,594,275,318/133,144,461.83
  6. Step 6: Final answer
    x = 117,824,033.98

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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.