Home / 109,456,539.20-164,184,808.80-100,528,330.40

Finding the Fourth Proportional to 109,456,539.20, 164,184,808.80 and 100,528,330.40

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Solution

The fourth proportional to 109,456,539.20, 164,184,808.80 and 100,528,330.40 is: 150,792,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,456,539.20 : 164,184,808.80 = 100,528,330.40 : x
  2. Step 2: Convert to fraction form
    109,456,539.20/164,184,808.80 = 100,528,330.40/x
  3. Step 3: Cross multiply
    109,456,539.20x = 164,184,808.80 × 100,528,330.40
  4. Step 4: Simplify right side
    109,456,539.20x = 16,505,224,705,707,230
  5. Step 5: Solve for x
    x = 16,505,224,705,707,230/109,456,539.20
  6. Step 6: Final answer
    x = 150,792,495.60

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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.