Home / 70,992,029.28-106,207,859.52-53,769,842.40

Finding the Fourth Proportional to 70,992,029.28, 106,207,859.52 and 53,769,842.40

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Solution

The fourth proportional to 70,992,029.28, 106,207,859.52 and 53,769,842.40 is: 80,442,550.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,992,029.28 : 106,207,859.52 = 53,769,842.40 : x
  2. Step 2: Convert to fraction form
    70,992,029.28/106,207,859.52 = 53,769,842.40/x
  3. Step 3: Cross multiply
    70,992,029.28x = 106,207,859.52 × 53,769,842.40
  4. Step 4: Simplify right side
    70,992,029.28x = 5,710,779,868,031,739
  5. Step 5: Solve for x
    x = 5,710,779,868,031,739/70,992,029.28
  6. Step 6: Final answer
    x = 80,442,550.04

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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.