Home / 97,806,441.60-146,709,662.40-90,416,131.20

Finding the Fourth Proportional to 97,806,441.60, 146,709,662.40 and 90,416,131.20

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Solution

The fourth proportional to 97,806,441.60, 146,709,662.40 and 90,416,131.20 is: 135,624,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,806,441.60 : 146,709,662.40 = 90,416,131.20 : x
  2. Step 2: Convert to fraction form
    97,806,441.60/146,709,662.40 = 90,416,131.20/x
  3. Step 3: Cross multiply
    97,806,441.60x = 146,709,662.40 × 90,416,131.20
  4. Step 4: Simplify right side
    97,806,441.60x = 13,264,920,083,866,108
  5. Step 5: Solve for x
    x = 13,264,920,083,866,108/97,806,441.60
  6. Step 6: Final answer
    x = 135,624,196.80

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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.