Home / 238,105,602.15-328,511,600.09-137,597,423.10

Finding the Fourth Proportional to 238,105,602.15, 328,511,600.09 and 137,597,423.10

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Solution

The fourth proportional to 238,105,602.15, 328,511,600.09 and 137,597,423.10 is: 189,841,604.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,105,602.15 : 328,511,600.09 = 137,597,423.10 : x
  2. Step 2: Convert to fraction form
    238,105,602.15/328,511,600.09 = 137,597,423.10/x
  3. Step 3: Cross multiply
    238,105,602.15x = 328,511,600.09 × 137,597,423.10
  4. Step 4: Simplify right side
    238,105,602.15x = 45,202,349,631,185,712
  5. Step 5: Solve for x
    x = 45,202,349,631,185,712/238,105,602.15
  6. Step 6: Final answer
    x = 189,841,604.83

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1.5x scale

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.