Home / 129,029,547.60-193,544,321.40-106,336,069.20

Finding the Fourth Proportional to 129,029,547.60, 193,544,321.40 and 106,336,069.20

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Solution

The fourth proportional to 129,029,547.60, 193,544,321.40 and 106,336,069.20 is: 159,504,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,029,547.60 : 193,544,321.40 = 106,336,069.20 : x
  2. Step 2: Convert to fraction form
    129,029,547.60/193,544,321.40 = 106,336,069.20/x
  3. Step 3: Cross multiply
    129,029,547.60x = 193,544,321.40 × 106,336,069.20
  4. Step 4: Simplify right side
    129,029,547.60x = 20,580,742,353,657,444
  5. Step 5: Solve for x
    x = 20,580,742,353,657,444/129,029,547.60
  6. Step 6: Final answer
    x = 159,504,103.80

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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.