Home / 193,152,030.30-289,728,045.45-131,930,027.10

Finding the Fourth Proportional to 193,152,030.30, 289,728,045.45 and 131,930,027.10

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Solution

The fourth proportional to 193,152,030.30, 289,728,045.45 and 131,930,027.10 is: 197,895,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,152,030.30 : 289,728,045.45 = 131,930,027.10 : x
  2. Step 2: Convert to fraction form
    193,152,030.30/289,728,045.45 = 131,930,027.10/x
  3. Step 3: Cross multiply
    193,152,030.30x = 289,728,045.45 × 131,930,027.10
  4. Step 4: Simplify right side
    193,152,030.30x = 38,223,828,887,848,528
  5. Step 5: Solve for x
    x = 38,223,828,887,848,528/193,152,030.30
  6. Step 6: Final answer
    x = 197,895,040.65

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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.