Home / 131,559,607,713.45-196,999,548,019.69-90,797,906,815.35

Finding the Fourth Proportional to 131,559,607,713.45, 196,999,548,019.69 and 90,797,906,815.35

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Solution

The fourth proportional to 131,559,607,713.45, 196,999,548,019.69 and 90,797,906,815.35 is: 135,962,298,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,559,607,713.45 : 196,999,548,019.69 = 90,797,906,815.35 : x
  2. Step 2: Convert to fraction form
    131,559,607,713.45/196,999,548,019.69 = 90,797,906,815.35/x
  3. Step 3: Cross multiply
    131,559,607,713.45x = 196,999,548,019.69 × 90,797,906,815.35
  4. Step 4: Simplify right side
    131,559,607,713.45x = 17,887,146,603,756,895,862,784
  5. Step 5: Solve for x
    x = 17,887,146,603,756,895,862,784/131,559,607,713.45
  6. Step 6: Final answer
    x = 135,962,298,114.46

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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.