Home / 129,435,655.41-194,154,208.93-43,173,825.35

Finding the Fourth Proportional to 129,435,655.41, 194,154,208.93 and 43,173,825.35

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Solution

The fourth proportional to 129,435,655.41, 194,154,208.93 and 43,173,825.35 is: 64,760,980.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,435,655.41 : 194,154,208.93 = 43,173,825.35 : x
  2. Step 2: Convert to fraction form
    129,435,655.41/194,154,208.93 = 43,173,825.35/x
  3. Step 3: Cross multiply
    129,435,655.41x = 194,154,208.93 × 43,173,825.35
  4. Step 4: Simplify right side
    129,435,655.41x = 8,382,379,907,122,506
  5. Step 5: Solve for x
    x = 8,382,379,907,122,506/129,435,655.41
  6. Step 6: Final answer
    x = 64,760,980.12

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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.