Home / 152,759,898.91-210,826,611.17-85,789,863.01

Finding the Fourth Proportional to 152,759,898.91, 210,826,611.17 and 85,789,863.01

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Solution

The fourth proportional to 152,759,898.91, 210,826,611.17 and 85,789,863.01 is: 118,400,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,759,898.91 : 210,826,611.17 = 85,789,863.01 : x
  2. Step 2: Convert to fraction form
    152,759,898.91/210,826,611.17 = 85,789,863.01/x
  3. Step 3: Cross multiply
    152,759,898.91x = 210,826,611.17 × 85,789,863.01
  4. Step 4: Simplify right side
    152,759,898.91x = 18,086,786,091,136,836
  5. Step 5: Solve for x
    x = 18,086,786,091,136,836/152,759,898.91
  6. Step 6: Final answer
    x = 118,400,092.04

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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.