Home / 220,129,506.40-330,194,259.60-124,578,018.40

Finding the Fourth Proportional to 220,129,506.40, 330,194,259.60 and 124,578,018.40

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Solution

The fourth proportional to 220,129,506.40, 330,194,259.60 and 124,578,018.40 is: 186,867,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,129,506.40 : 330,194,259.60 = 124,578,018.40 : x
  2. Step 2: Convert to fraction form
    220,129,506.40/330,194,259.60 = 124,578,018.40/x
  3. Step 3: Cross multiply
    220,129,506.40x = 330,194,259.60 × 124,578,018.40
  4. Step 4: Simplify right side
    220,129,506.40x = 41,134,946,548,023,184
  5. Step 5: Solve for x
    x = 41,134,946,548,023,184/220,129,506.40
  6. Step 6: Final answer
    x = 186,867,027.60

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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.