Home / 145,152,763.14-217,760,672.58-53,036,353.20

Finding the Fourth Proportional to 145,152,763.14, 217,760,672.58 and 53,036,353.20

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Solution

The fourth proportional to 145,152,763.14, 217,760,672.58 and 53,036,353.20 is: 79,566,049.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152,763.14 : 217,760,672.58 = 53,036,353.20 : x
  2. Step 2: Convert to fraction form
    145,152,763.14/217,760,672.58 = 53,036,353.20/x
  3. Step 3: Cross multiply
    145,152,763.14x = 217,760,672.58 × 53,036,353.20
  4. Step 4: Simplify right side
    145,152,763.14x = 11,549,231,944,022,436
  5. Step 5: Solve for x
    x = 11,549,231,944,022,436/145,152,763.14
  6. Step 6: Final answer
    x = 79,566,049.55

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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.