Home / 86,767,781.92-130,017,114.72-50,285,685.68

Finding the Fourth Proportional to 86,767,781.92, 130,017,114.72 and 50,285,685.68

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Solution

The fourth proportional to 86,767,781.92, 130,017,114.72 and 50,285,685.68 is: 75,350,546.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,767,781.92 : 130,017,114.72 = 50,285,685.68 : x
  2. Step 2: Convert to fraction form
    86,767,781.92/130,017,114.72 = 50,285,685.68/x
  3. Step 3: Cross multiply
    86,767,781.92x = 130,017,114.72 × 50,285,685.68
  4. Step 4: Simplify right side
    86,767,781.92x = 6,537,999,763,830,421
  5. Step 5: Solve for x
    x = 6,537,999,763,830,421/86,767,781.92
  6. Step 6: Final answer
    x = 75,350,546.24

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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.