Home / 266,765,715.90-368,128,781.34-147,693,615.01

Finding the Fourth Proportional to 266,765,715.90, 368,128,781.34 and 147,693,615.01

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Solution

The fourth proportional to 266,765,715.90, 368,128,781.34 and 147,693,615.01 is: 203,812,811.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,765,715.90 : 368,128,781.34 = 147,693,615.01 : x
  2. Step 2: Convert to fraction form
    266,765,715.90/368,128,781.34 = 147,693,615.01/x
  3. Step 3: Cross multiply
    266,765,715.90x = 368,128,781.34 × 147,693,615.01
  4. Step 4: Simplify right side
    266,765,715.90x = 54,370,270,507,175,368
  5. Step 5: Solve for x
    x = 54,370,270,507,175,368/266,765,715.90
  6. Step 6: Final answer
    x = 203,812,811.27

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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.