Home / 354,296,021.40-531,444,032.10-124,182,068.40

Finding the Fourth Proportional to 354,296,021.40, 531,444,032.10 and 124,182,068.40

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Solution

The fourth proportional to 354,296,021.40, 531,444,032.10 and 124,182,068.40 is: 186,273,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,296,021.40 : 531,444,032.10 = 124,182,068.40 : x
  2. Step 2: Convert to fraction form
    354,296,021.40/531,444,032.10 = 124,182,068.40/x
  3. Step 3: Cross multiply
    354,296,021.40x = 531,444,032.10 × 124,182,068.40
  4. Step 4: Simplify right side
    354,296,021.40x = 65,995,819,145,014,000
  5. Step 5: Solve for x
    x = 65,995,819,145,014,000/354,296,021.40
  6. Step 6: Final answer
    x = 186,273,102.60

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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.