Home / 131,053,247,999.40-196,579,871,999.10-127,379,927,807.40

Finding the Fourth Proportional to 131,053,247,999.40, 196,579,871,999.10 and 127,379,927,807.40

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Solution

The fourth proportional to 131,053,247,999.40, 196,579,871,999.10 and 127,379,927,807.40 is: 191,069,891,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,053,247,999.40 : 196,579,871,999.10 = 127,379,927,807.40 : x
  2. Step 2: Convert to fraction form
    131,053,247,999.40/196,579,871,999.10 = 127,379,927,807.40/x
  3. Step 3: Cross multiply
    131,053,247,999.40x = 196,579,871,999.10 × 127,379,927,807.40
  4. Step 4: Simplify right side
    131,053,247,999.40x = 25,040,329,903,633,292,328,960
  5. Step 5: Solve for x
    x = 25,040,329,903,633,292,328,960/131,053,247,999.40
  6. Step 6: Final answer
    x = 191,069,891,711.10

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1.5x scale

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.