Home / 158,334,858.02-218,372,543.15-111,447,147.20

Finding the Fourth Proportional to 158,334,858.02, 218,372,543.15 and 111,447,147.20

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Solution

The fourth proportional to 158,334,858.02, 218,372,543.15 and 111,447,147.20 is: 153,705,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,334,858.02 : 218,372,543.15 = 111,447,147.20 : x
  2. Step 2: Convert to fraction form
    158,334,858.02/218,372,543.15 = 111,447,147.20/x
  3. Step 3: Cross multiply
    158,334,858.02x = 218,372,543.15 × 111,447,147.20
  4. Step 4: Simplify right side
    158,334,858.02x = 24,336,996,959,227,304
  5. Step 5: Solve for x
    x = 24,336,996,959,227,304/158,334,858.02
  6. Step 6: Final answer
    x = 153,705,869.09

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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.