Home / 147,379,612.40-221,069,418.60-133,030,705.40

Finding the Fourth Proportional to 147,379,612.40, 221,069,418.60 and 133,030,705.40

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Solution

The fourth proportional to 147,379,612.40, 221,069,418.60 and 133,030,705.40 is: 199,546,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,379,612.40 : 221,069,418.60 = 133,030,705.40 : x
  2. Step 2: Convert to fraction form
    147,379,612.40/221,069,418.60 = 133,030,705.40/x
  3. Step 3: Cross multiply
    147,379,612.40x = 221,069,418.60 × 133,030,705.40
  4. Step 4: Simplify right side
    147,379,612.40x = 29,409,020,698,725,880
  5. Step 5: Solve for x
    x = 29,409,020,698,725,880/147,379,612.40
  6. Step 6: Final answer
    x = 199,546,058.10

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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.