Home / 126,390,475,382.55-189,565,531,927.05-36,832,520,193.03

Finding the Fourth Proportional to 126,390,475,382.55, 189,565,531,927.05 and 36,832,520,193.03

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Solution

The fourth proportional to 126,390,475,382.55, 189,565,531,927.05 and 36,832,520,193.03 is: 55,242,899,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,390,475,382.55 : 189,565,531,927.05 = 36,832,520,193.03 : x
  2. Step 2: Convert to fraction form
    126,390,475,382.55/189,565,531,927.05 = 36,832,520,193.03/x
  3. Step 3: Cross multiply
    126,390,475,382.55x = 189,565,531,927.05 × 36,832,520,193.03
  4. Step 4: Simplify right side
    126,390,475,382.55x = 6,982,176,282,605,541,916,672
  5. Step 5: Solve for x
    x = 6,982,176,282,605,541,916,672/126,390,475,382.55
  6. Step 6: Final answer
    x = 55,242,899,130.43

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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.