Home / 72,436,521.80-108,654,782.70-23,921,863.40

Finding the Fourth Proportional to 72,436,521.80, 108,654,782.70 and 23,921,863.40

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Solution

The fourth proportional to 72,436,521.80, 108,654,782.70 and 23,921,863.40 is: 35,882,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,436,521.80 : 108,654,782.70 = 23,921,863.40 : x
  2. Step 2: Convert to fraction form
    72,436,521.80/108,654,782.70 = 23,921,863.40/x
  3. Step 3: Cross multiply
    72,436,521.80x = 108,654,782.70 × 23,921,863.40
  4. Step 4: Simplify right side
    72,436,521.80x = 2,599,224,869,506,083
  5. Step 5: Solve for x
    x = 2,599,224,869,506,083/72,436,521.80
  6. Step 6: Final answer
    x = 35,882,795.10

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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.