Home / 129,063,907.36-193,455,012.80-63,530,146.16

Finding the Fourth Proportional to 129,063,907.36, 193,455,012.80 and 63,530,146.16

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Solution

The fourth proportional to 129,063,907.36, 193,455,012.80 and 63,530,146.16 is: 95,225,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,063,907.36 : 193,455,012.80 = 63,530,146.16 : x
  2. Step 2: Convert to fraction form
    129,063,907.36/193,455,012.80 = 63,530,146.16/x
  3. Step 3: Cross multiply
    129,063,907.36x = 193,455,012.80 × 63,530,146.16
  4. Step 4: Simplify right side
    129,063,907.36x = 12,290,225,238,568,670
  5. Step 5: Solve for x
    x = 12,290,225,238,568,670/129,063,907.36
  6. Step 6: Final answer
    x = 95,225,888.40

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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.