Home / 53,183,769.90-79,838,640.45-30,173,030.70

Finding the Fourth Proportional to 53,183,769.90, 79,838,640.45 and 30,173,030.70

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Solution

The fourth proportional to 53,183,769.90, 79,838,640.45 and 30,173,030.70 is: 45,295,280.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,183,769.90 : 79,838,640.45 = 30,173,030.70 : x
  2. Step 2: Convert to fraction form
    53,183,769.90/79,838,640.45 = 30,173,030.70/x
  3. Step 3: Cross multiply
    53,183,769.90x = 79,838,640.45 × 30,173,030.70
  4. Step 4: Simplify right side
    53,183,769.90x = 2,408,973,749,344,112
  5. Step 5: Solve for x
    x = 2,408,973,749,344,112/53,183,769.90
  6. Step 6: Final answer
    x = 45,295,280.01

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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.