Home / 354,315,458.60-531,473,187.90-99,013,826.60

Finding the Fourth Proportional to 354,315,458.60, 531,473,187.90 and 99,013,826.60

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Solution

The fourth proportional to 354,315,458.60, 531,473,187.90 and 99,013,826.60 is: 148,520,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,315,458.60 : 531,473,187.90 = 99,013,826.60 : x
  2. Step 2: Convert to fraction form
    354,315,458.60/531,473,187.90 = 99,013,826.60/x
  3. Step 3: Cross multiply
    354,315,458.60x = 531,473,187.90 × 99,013,826.60
  4. Step 4: Simplify right side
    354,315,458.60x = 52,623,194,069,279,816
  5. Step 5: Solve for x
    x = 52,623,194,069,279,816/354,315,458.60
  6. Step 6: Final answer
    x = 148,520,739.90

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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.