Home / 238,383,457.40-357,575,186.10-122,157,310.70

Finding the Fourth Proportional to 238,383,457.40, 357,575,186.10 and 122,157,310.70

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Solution

The fourth proportional to 238,383,457.40, 357,575,186.10 and 122,157,310.70 is: 183,235,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,383,457.40 : 357,575,186.10 = 122,157,310.70 : x
  2. Step 2: Convert to fraction form
    238,383,457.40/357,575,186.10 = 122,157,310.70/x
  3. Step 3: Cross multiply
    238,383,457.40x = 357,575,186.10 × 122,157,310.70
  4. Step 4: Simplify right side
    238,383,457.40x = 43,680,423,107,028,024
  5. Step 5: Solve for x
    x = 43,680,423,107,028,024/238,383,457.40
  6. Step 6: Final answer
    x = 183,235,966.05

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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.