Home / 154,034,880.54-231,127,054.85-67,762,077.40

Finding the Fourth Proportional to 154,034,880.54, 231,127,054.85 and 67,762,077.40

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Solution

The fourth proportional to 154,034,880.54, 231,127,054.85 and 67,762,077.40 is: 101,675,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,034,880.54 : 231,127,054.85 = 67,762,077.40 : x
  2. Step 2: Convert to fraction form
    154,034,880.54/231,127,054.85 = 67,762,077.40/x
  3. Step 3: Cross multiply
    154,034,880.54x = 231,127,054.85 × 67,762,077.40
  4. Step 4: Simplify right side
    154,034,880.54x = 15,661,649,379,979,746
  5. Step 5: Solve for x
    x = 15,661,649,379,979,746/154,034,880.54
  6. Step 6: Final answer
    x = 101,675,992.64

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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.