Home / 129,041,760.60-193,338,692.10-108,886,368.60

Finding the Fourth Proportional to 129,041,760.60, 193,338,692.10 and 108,886,368.60

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Solution

The fourth proportional to 129,041,760.60, 193,338,692.10 and 108,886,368.60 is: 163,140,583.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,041,760.60 : 193,338,692.10 = 108,886,368.60 : x
  2. Step 2: Convert to fraction form
    129,041,760.60/193,338,692.10 = 108,886,368.60/x
  3. Step 3: Cross multiply
    129,041,760.60x = 193,338,692.10 × 108,886,368.60
  4. Step 4: Simplify right side
    129,041,760.60x = 21,051,948,092,642,508
  5. Step 5: Solve for x
    x = 21,051,948,092,642,508/129,041,760.60
  6. Step 6: Final answer
    x = 163,140,583.29

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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.