Home / 354,315,460.60-531,473,190.90-99,013,828.60

Finding the Fourth Proportional to 354,315,460.60, 531,473,190.90 and 99,013,828.60

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Solution

The fourth proportional to 354,315,460.60, 531,473,190.90 and 99,013,828.60 is: 148,520,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,315,460.60 : 531,473,190.90 = 99,013,828.60 : x
  2. Step 2: Convert to fraction form
    354,315,460.60/531,473,190.90 = 99,013,828.60/x
  3. Step 3: Cross multiply
    354,315,460.60x = 531,473,190.90 × 99,013,828.60
  4. Step 4: Simplify right side
    354,315,460.60x = 52,623,195,429,267,672
  5. Step 5: Solve for x
    x = 52,623,195,429,267,672/354,315,460.60
  6. Step 6: Final answer
    x = 148,520,742.90

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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.