Home / 540,142,490.94-810,213,746.13-131,195,885.82

Finding the Fourth Proportional to 540,142,490.94, 810,213,746.13 and 131,195,885.82

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Solution

The fourth proportional to 540,142,490.94, 810,213,746.13 and 131,195,885.82 is: 196,793,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,142,490.94 : 810,213,746.13 = 131,195,885.82 : x
  2. Step 2: Convert to fraction form
    540,142,490.94/810,213,746.13 = 131,195,885.82/x
  3. Step 3: Cross multiply
    540,142,490.94x = 810,213,746.13 × 131,195,885.82
  4. Step 4: Simplify right side
    540,142,490.94x = 106,296,710,127,065,936
  5. Step 5: Solve for x
    x = 106,296,710,127,065,936/540,142,490.94
  6. Step 6: Final answer
    x = 196,793,831.09

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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.