Home / 113,326,861.20-169,990,291.80-36,657,639.60

Finding the Fourth Proportional to 113,326,861.20, 169,990,291.80 and 36,657,639.60

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Solution

The fourth proportional to 113,326,861.20, 169,990,291.80 and 36,657,639.60 is: 54,986,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,326,861.20 : 169,990,291.80 = 36,657,639.60 : x
  2. Step 2: Convert to fraction form
    113,326,861.20/169,990,291.80 = 36,657,639.60/x
  3. Step 3: Cross multiply
    113,326,861.20x = 169,990,291.80 × 36,657,639.60
  4. Step 4: Simplify right side
    113,326,861.20x = 6,231,442,852,303,236
  5. Step 5: Solve for x
    x = 6,231,442,852,303,236/113,326,861.20
  6. Step 6: Final answer
    x = 54,986,459.40

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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.