Home / 153,379,702.75-230,074,278.05-67,073,684.35

Finding the Fourth Proportional to 153,379,702.75, 230,074,278.05 and 67,073,684.35

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Solution

The fourth proportional to 153,379,702.75, 230,074,278.05 and 67,073,684.35 is: 100,612,592.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,379,702.75 : 230,074,278.05 = 67,073,684.35 : x
  2. Step 2: Convert to fraction form
    153,379,702.75/230,074,278.05 = 67,073,684.35/x
  3. Step 3: Cross multiply
    153,379,702.75x = 230,074,278.05 × 67,073,684.35
  4. Step 4: Simplify right side
    153,379,702.75x = 15,431,929,502,979,834
  5. Step 5: Solve for x
    x = 15,431,929,502,979,834/153,379,702.75
  6. Step 6: Final answer
    x = 100,612,592.32

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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.