Home / 112,886,438.40-169,329,657.60-36,217,216.80

Finding the Fourth Proportional to 112,886,438.40, 169,329,657.60 and 36,217,216.80

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Solution

The fourth proportional to 112,886,438.40, 169,329,657.60 and 36,217,216.80 is: 54,325,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,886,438.40 : 169,329,657.60 = 36,217,216.80 : x
  2. Step 2: Convert to fraction form
    112,886,438.40/169,329,657.60 = 36,217,216.80/x
  3. Step 3: Cross multiply
    112,886,438.40x = 169,329,657.60 × 36,217,216.80
  4. Step 4: Simplify right side
    112,886,438.40x = 6,132,648,919,968,967
  5. Step 5: Solve for x
    x = 6,132,648,919,968,967/112,886,438.40
  6. Step 6: Final answer
    x = 54,325,825.20

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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.