Home / 99,446,769.60-149,170,154.40-83,662,971.90

Finding the Fourth Proportional to 99,446,769.60, 149,170,154.40 and 83,662,971.90

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Solution

The fourth proportional to 99,446,769.60, 149,170,154.40 and 83,662,971.90 is: 125,494,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,446,769.60 : 149,170,154.40 = 83,662,971.90 : x
  2. Step 2: Convert to fraction form
    99,446,769.60/149,170,154.40 = 83,662,971.90/x
  3. Step 3: Cross multiply
    99,446,769.60x = 149,170,154.40 × 83,662,971.90
  4. Step 4: Simplify right side
    99,446,769.60x = 12,480,018,435,885,862
  5. Step 5: Solve for x
    x = 12,480,018,435,885,862/99,446,769.60
  6. Step 6: Final answer
    x = 125,494,457.85

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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.