Home / 201,147,215.10-301,720,822.65-99,110,543.10

Finding the Fourth Proportional to 201,147,215.10, 301,720,822.65 and 99,110,543.10

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Solution

The fourth proportional to 201,147,215.10, 301,720,822.65 and 99,110,543.10 is: 148,665,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,147,215.10 : 301,720,822.65 = 99,110,543.10 : x
  2. Step 2: Convert to fraction form
    201,147,215.10/301,720,822.65 = 99,110,543.10/x
  3. Step 3: Cross multiply
    201,147,215.10x = 301,720,822.65 × 99,110,543.10
  4. Step 4: Simplify right side
    201,147,215.10x = 29,903,714,597,420,276
  5. Step 5: Solve for x
    x = 29,903,714,597,420,276/201,147,215.10
  6. Step 6: Final answer
    x = 148,665,814.65

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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.