Home / 71,575,818.77-107,355,688.02-19,767,786.63

Finding the Fourth Proportional to 71,575,818.77, 107,355,688.02 and 19,767,786.63

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Solution

The fourth proportional to 71,575,818.77, 107,355,688.02 and 19,767,786.63 is: 29,649,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,575,818.77 : 107,355,688.02 = 19,767,786.63 : x
  2. Step 2: Convert to fraction form
    71,575,818.77/107,355,688.02 = 19,767,786.63/x
  3. Step 3: Cross multiply
    71,575,818.77x = 107,355,688.02 × 19,767,786.63
  4. Step 4: Simplify right side
    71,575,818.77x = 2,122,184,334,296,207
  5. Step 5: Solve for x
    x = 2,122,184,334,296,207/71,575,818.77
  6. Step 6: Final answer
    x = 29,649,459.43

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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.