Home / 407,260,087.20-610,890,130.80-134,630,854.20

Finding the Fourth Proportional to 407,260,087.20, 610,890,130.80 and 134,630,854.20

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Solution

The fourth proportional to 407,260,087.20, 610,890,130.80 and 134,630,854.20 is: 201,946,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,260,087.20 : 610,890,130.80 = 134,630,854.20 : x
  2. Step 2: Convert to fraction form
    407,260,087.20/610,890,130.80 = 134,630,854.20/x
  3. Step 3: Cross multiply
    407,260,087.20x = 610,890,130.80 × 134,630,854.20
  4. Step 4: Simplify right side
    407,260,087.20x = 82,244,660,131,953,712
  5. Step 5: Solve for x
    x = 82,244,660,131,953,712/407,260,087.20
  6. Step 6: Final answer
    x = 201,946,281.30

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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.