Home / 189,567,656.29-261,603,720.18-105,935,787.02

Finding the Fourth Proportional to 189,567,656.29, 261,603,720.18 and 105,935,787.02

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Solution

The fourth proportional to 189,567,656.29, 261,603,720.18 and 105,935,787.02 is: 146,191,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,567,656.29 : 261,603,720.18 = 105,935,787.02 : x
  2. Step 2: Convert to fraction form
    189,567,656.29/261,603,720.18 = 105,935,787.02/x
  3. Step 3: Cross multiply
    189,567,656.29x = 261,603,720.18 × 105,935,787.02
  4. Step 4: Simplify right side
    189,567,656.29x = 27,713,195,985,579,844
  5. Step 5: Solve for x
    x = 27,713,195,985,579,844/189,567,656.29
  6. Step 6: Final answer
    x = 146,191,584.20

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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.