Home / 169,968,207.40-254,952,311.10-129,153,538.60

Finding the Fourth Proportional to 169,968,207.40, 254,952,311.10 and 129,153,538.60

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Solution

The fourth proportional to 169,968,207.40, 254,952,311.10 and 129,153,538.60 is: 193,730,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,968,207.40 : 254,952,311.10 = 129,153,538.60 : x
  2. Step 2: Convert to fraction form
    169,968,207.40/254,952,311.10 = 129,153,538.60/x
  3. Step 3: Cross multiply
    169,968,207.40x = 254,952,311.10 × 129,153,538.60
  4. Step 4: Simplify right side
    169,968,207.40x = 32,927,993,152,813,056
  5. Step 5: Solve for x
    x = 32,927,993,152,813,056/169,968,207.40
  6. Step 6: Final answer
    x = 193,730,307.90

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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.