Home / 152,319,566.09-210,195,108.10-82,703,353.88

Finding the Fourth Proportional to 152,319,566.09, 210,195,108.10 and 82,703,353.88

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Solution

The fourth proportional to 152,319,566.09, 210,195,108.10 and 82,703,353.88 is: 114,127,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,319,566.09 : 210,195,108.10 = 82,703,353.88 : x
  2. Step 2: Convert to fraction form
    152,319,566.09/210,195,108.10 = 82,703,353.88/x
  3. Step 3: Cross multiply
    152,319,566.09x = 210,195,108.10 × 82,703,353.88
  4. Step 4: Simplify right side
    152,319,566.09x = 17,383,840,408,485,672
  5. Step 5: Solve for x
    x = 17,383,840,408,485,672/152,319,566.09
  6. Step 6: Final answer
    x = 114,127,428.64

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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.