Home / 194,642,636.72-291,964,712.55-47,089,959.88

Finding the Fourth Proportional to 194,642,636.72, 291,964,712.55 and 47,089,959.88

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Solution

The fourth proportional to 194,642,636.72, 291,964,712.55 and 47,089,959.88 is: 70,635,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,642,636.72 : 291,964,712.55 = 47,089,959.88 : x
  2. Step 2: Convert to fraction form
    194,642,636.72/291,964,712.55 = 47,089,959.88/x
  3. Step 3: Cross multiply
    194,642,636.72x = 291,964,712.55 × 47,089,959.88
  4. Step 4: Simplify right side
    194,642,636.72x = 13,748,606,598,895,410
  5. Step 5: Solve for x
    x = 13,748,606,598,895,410/194,642,636.72
  6. Step 6: Final answer
    x = 70,635,123.07

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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.