Home / 137,494,794.83-189,740,185.59-75,615,133.40

Finding the Fourth Proportional to 137,494,794.83, 189,740,185.59 and 75,615,133.40

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Solution

The fourth proportional to 137,494,794.83, 189,740,185.59 and 75,615,133.40 is: 104,347,437.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,494,794.83 : 189,740,185.59 = 75,615,133.40 : x
  2. Step 2: Convert to fraction form
    137,494,794.83/189,740,185.59 = 75,615,133.40/x
  3. Step 3: Cross multiply
    137,494,794.83x = 189,740,185.59 × 75,615,133.40
  4. Step 4: Simplify right side
    137,494,794.83x = 14,347,229,443,779,906
  5. Step 5: Solve for x
    x = 14,347,229,443,779,906/137,494,794.83
  6. Step 6: Final answer
    x = 104,347,437.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.