Home / 72,649,797.12-109,037,657.90-38,130,582.17

Finding the Fourth Proportional to 72,649,797.12, 109,037,657.90 and 38,130,582.17

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Solution

The fourth proportional to 72,649,797.12, 109,037,657.90 and 38,130,582.17 is: 57,228,919.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,649,797.12 : 109,037,657.90 = 38,130,582.17 : x
  2. Step 2: Convert to fraction form
    72,649,797.12/109,037,657.90 = 38,130,582.17/x
  3. Step 3: Cross multiply
    72,649,797.12x = 109,037,657.90 × 38,130,582.17
  4. Step 4: Simplify right side
    72,649,797.12x = 4,157,669,374,548,220.50
  5. Step 5: Solve for x
    x = 4,157,669,374,548,220.50/72,649,797.12
  6. Step 6: Final answer
    x = 57,228,919.27

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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.