Home / 48,509,281,331.20-72,763,921,996.80-15,387,421,772.80

Finding the Fourth Proportional to 48,509,281,331.20, 72,763,921,996.80 and 15,387,421,772.80

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Solution

The fourth proportional to 48,509,281,331.20, 72,763,921,996.80 and 15,387,421,772.80 is: 23,081,132,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,509,281,331.20 : 72,763,921,996.80 = 15,387,421,772.80 : x
  2. Step 2: Convert to fraction form
    48,509,281,331.20/72,763,921,996.80 = 15,387,421,772.80/x
  3. Step 3: Cross multiply
    48,509,281,331.20x = 72,763,921,996.80 × 15,387,421,772.80
  4. Step 4: Simplify right side
    48,509,281,331.20x = 1,119,649,157,607,881,179,136
  5. Step 5: Solve for x
    x = 1,119,649,157,607,881,179,136/48,509,281,331.20
  6. Step 6: Final answer
    x = 23,081,132,659.20

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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.