Home / 120,035,621.36-165,649,952.68-65,031,477.86

Finding the Fourth Proportional to 120,035,621.36, 165,649,952.68 and 65,031,477.86

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Solution

The fourth proportional to 120,035,621.36, 165,649,952.68 and 65,031,477.86 is: 89,743,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,035,621.36 : 165,649,952.68 = 65,031,477.86 : x
  2. Step 2: Convert to fraction form
    120,035,621.36/165,649,952.68 = 65,031,477.86/x
  3. Step 3: Cross multiply
    120,035,621.36x = 165,649,952.68 × 65,031,477.86
  4. Step 4: Simplify right side
    120,035,621.36x = 10,772,461,230,219,468
  5. Step 5: Solve for x
    x = 10,772,461,230,219,468/120,035,621.36
  6. Step 6: Final answer
    x = 89,743,870.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.