Home / 81,484,658,595.04-122,226,959,124.48-21,791,769,428.44

Finding the Fourth Proportional to 81,484,658,595.04, 122,226,959,124.48 and 21,791,769,428.44

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Solution

The fourth proportional to 81,484,658,595.04, 122,226,959,124.48 and 21,791,769,428.44 is: 32,687,646,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,484,658,595.04 : 122,226,959,124.48 = 21,791,769,428.44 : x
  2. Step 2: Convert to fraction form
    81,484,658,595.04/122,226,959,124.48 = 21,791,769,428.44/x
  3. Step 3: Cross multiply
    81,484,658,595.04x = 122,226,959,124.48 × 21,791,769,428.44
  4. Step 4: Simplify right side
    81,484,658,595.04x = 2,663,541,711,180,028,444,672
  5. Step 5: Solve for x
    x = 2,663,541,711,180,028,444,672/81,484,658,595.04
  6. Step 6: Final answer
    x = 32,687,646,449.10

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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.