Home / 201,147,054.10-301,720,581.15-99,110,382.10

Finding the Fourth Proportional to 201,147,054.10, 301,720,581.15 and 99,110,382.10

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Solution

The fourth proportional to 201,147,054.10, 301,720,581.15 and 99,110,382.10 is: 148,665,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,147,054.10 : 301,720,581.15 = 99,110,382.10 : x
  2. Step 2: Convert to fraction form
    201,147,054.10/301,720,581.15 = 99,110,382.10/x
  3. Step 3: Cross multiply
    201,147,054.10x = 301,720,581.15 × 99,110,382.10
  4. Step 4: Simplify right side
    201,147,054.10x = 29,903,642,085,210,552
  5. Step 5: Solve for x
    x = 29,903,642,085,210,552/201,147,054.10
  6. Step 6: Final answer
    x = 148,665,573.15

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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.