Home / 141,562,479.12-195,362,282.16-78,838,576.74

Finding the Fourth Proportional to 141,562,479.12, 195,362,282.16 and 78,838,576.74

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Solution

The fourth proportional to 141,562,479.12, 195,362,282.16 and 78,838,576.74 is: 108,800,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,562,479.12 : 195,362,282.16 = 78,838,576.74 : x
  2. Step 2: Convert to fraction form
    141,562,479.12/195,362,282.16 = 78,838,576.74/x
  3. Step 3: Cross multiply
    141,562,479.12x = 195,362,282.16 × 78,838,576.74
  4. Step 4: Simplify right side
    141,562,479.12x = 15,402,084,274,172,692
  5. Step 5: Solve for x
    x = 15,402,084,274,172,692/141,562,479.12
  6. Step 6: Final answer
    x = 108,800,611.36

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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.