Home / 129,353,091.40-194,029,637.10-38,464,870.60

Finding the Fourth Proportional to 129,353,091.40, 194,029,637.10 and 38,464,870.60

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Solution

The fourth proportional to 129,353,091.40, 194,029,637.10 and 38,464,870.60 is: 57,697,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,353,091.40 : 194,029,637.10 = 38,464,870.60 : x
  2. Step 2: Convert to fraction form
    129,353,091.40/194,029,637.10 = 38,464,870.60/x
  3. Step 3: Cross multiply
    129,353,091.40x = 194,029,637.10 × 38,464,870.60
  4. Step 4: Simplify right side
    129,353,091.40x = 7,463,324,883,616,459
  5. Step 5: Solve for x
    x = 7,463,324,883,616,459/129,353,091.40
  6. Step 6: Final answer
    x = 57,697,305.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.