Home / 354,294,420.30-531,441,630.45-124,233,611.40

Finding the Fourth Proportional to 354,294,420.30, 531,441,630.45 and 124,233,611.40

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Solution

The fourth proportional to 354,294,420.30, 531,441,630.45 and 124,233,611.40 is: 186,350,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,420.30 : 531,441,630.45 = 124,233,611.40 : x
  2. Step 2: Convert to fraction form
    354,294,420.30/531,441,630.45 = 124,233,611.40/x
  3. Step 3: Cross multiply
    354,294,420.30x = 531,441,630.45 × 124,233,611.40
  4. Step 4: Simplify right side
    354,294,420.30x = 66,022,912,999,107,712
  5. Step 5: Solve for x
    x = 66,022,912,999,107,712/354,294,420.30
  6. Step 6: Final answer
    x = 186,350,417.10

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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.