Home / 153,379,701.75-230,074,276.55-67,073,683.35

Finding the Fourth Proportional to 153,379,701.75, 230,074,276.55 and 67,073,683.35

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Solution

The fourth proportional to 153,379,701.75, 230,074,276.55 and 67,073,683.35 is: 100,612,590.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,379,701.75 : 230,074,276.55 = 67,073,683.35 : x
  2. Step 2: Convert to fraction form
    153,379,701.75/230,074,276.55 = 67,073,683.35/x
  3. Step 3: Cross multiply
    153,379,701.75x = 230,074,276.55 × 67,073,683.35
  4. Step 4: Simplify right side
    153,379,701.75x = 15,431,929,171,959,662
  5. Step 5: Solve for x
    x = 15,431,929,171,959,662/153,379,701.75
  6. Step 6: Final answer
    x = 100,612,590.82

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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.