Home / 70,129,985.28-105,243,811.20-24,695,439.36

Finding the Fourth Proportional to 70,129,985.28, 105,243,811.20 and 24,695,439.36

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Solution

The fourth proportional to 70,129,985.28, 105,243,811.20 and 24,695,439.36 is: 37,060,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,129,985.28 : 105,243,811.20 = 24,695,439.36 : x
  2. Step 2: Convert to fraction form
    70,129,985.28/105,243,811.20 = 24,695,439.36/x
  3. Step 3: Cross multiply
    70,129,985.28x = 105,243,811.20 × 24,695,439.36
  4. Step 4: Simplify right side
    70,129,985.28x = 2,599,042,157,504,889
  5. Step 5: Solve for x
    x = 2,599,042,157,504,889/70,129,985.28
  6. Step 6: Final answer
    x = 37,060,355.10

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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.