Home / 97,806,420.60-146,709,630.90-90,416,110.20

Finding the Fourth Proportional to 97,806,420.60, 146,709,630.90 and 90,416,110.20

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Solution

The fourth proportional to 97,806,420.60, 146,709,630.90 and 90,416,110.20 is: 135,624,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,806,420.60 : 146,709,630.90 = 90,416,110.20 : x
  2. Step 2: Convert to fraction form
    97,806,420.60/146,709,630.90 = 90,416,110.20/x
  3. Step 3: Cross multiply
    97,806,420.60x = 146,709,630.90 × 90,416,110.20
  4. Step 4: Simplify right side
    97,806,420.60x = 13,264,914,154,855,726
  5. Step 5: Solve for x
    x = 13,264,914,154,855,726/97,806,420.60
  6. Step 6: Final answer
    x = 135,624,165.30

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Similar ratio
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1.5x scale

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.