Home / 242,518,459.80-334,675,144.16-138,096,530.88

Finding the Fourth Proportional to 242,518,459.80, 334,675,144.16 and 138,096,530.88

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Solution

The fourth proportional to 242,518,459.80, 334,675,144.16 and 138,096,530.88 is: 190,573,024.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,518,459.80 : 334,675,144.16 = 138,096,530.88 : x
  2. Step 2: Convert to fraction form
    242,518,459.80/334,675,144.16 = 138,096,530.88/x
  3. Step 3: Cross multiply
    242,518,459.80x = 334,675,144.16 × 138,096,530.88
  4. Step 4: Simplify right side
    242,518,459.80x = 46,217,476,380,259,896
  5. Step 5: Solve for x
    x = 46,217,476,380,259,896/242,518,459.80
  6. Step 6: Final answer
    x = 190,573,024.50

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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.