Home / 210,123,195.10-289,966,982.38-116,041,322.91

Finding the Fourth Proportional to 210,123,195.10, 289,966,982.38 and 116,041,322.91

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Solution

The fourth proportional to 210,123,195.10, 289,966,982.38 and 116,041,322.91 is: 160,135,354.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,123,195.10 : 289,966,982.38 = 116,041,322.91 : x
  2. Step 2: Convert to fraction form
    210,123,195.10/289,966,982.38 = 116,041,322.91/x
  3. Step 3: Cross multiply
    210,123,195.10x = 289,966,982.38 × 116,041,322.91
  4. Step 4: Simplify right side
    210,123,195.10x = 33,648,152,236,393,132
  5. Step 5: Solve for x
    x = 33,648,152,236,393,132/210,123,195.10
  6. Step 6: Final answer
    x = 160,135,354.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.