Home / 168,499,283.40-252,559,968.30-86,586,510.60

Finding the Fourth Proportional to 168,499,283.40, 252,559,968.30 and 86,586,510.60

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Solution

The fourth proportional to 168,499,283.40, 252,559,968.30 and 86,586,510.60 is: 129,782,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,499,283.40 : 252,559,968.30 = 86,586,510.60 : x
  2. Step 2: Convert to fraction form
    168,499,283.40/252,559,968.30 = 86,586,510.60/x
  3. Step 3: Cross multiply
    168,499,283.40x = 252,559,968.30 × 86,586,510.60
  4. Step 4: Simplify right side
    168,499,283.40x = 21,868,286,372,343,612
  5. Step 5: Solve for x
    x = 21,868,286,372,343,612/168,499,283.40
  6. Step 6: Final answer
    x = 129,782,666.91

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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.