Home / 440,103,707.40-660,155,561.10-133,355,962.20

Finding the Fourth Proportional to 440,103,707.40, 660,155,561.10 and 133,355,962.20

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Solution

The fourth proportional to 440,103,707.40, 660,155,561.10 and 133,355,962.20 is: 200,033,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,103,707.40 : 660,155,561.10 = 133,355,962.20 : x
  2. Step 2: Convert to fraction form
    440,103,707.40/660,155,561.10 = 133,355,962.20/x
  3. Step 3: Cross multiply
    440,103,707.40x = 660,155,561.10 × 133,355,962.20
  4. Step 4: Simplify right side
    440,103,707.40x = 88,035,680,052,171,392
  5. Step 5: Solve for x
    x = 88,035,680,052,171,392/440,103,707.40
  6. Step 6: Final answer
    x = 200,033,943.30

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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.