Home / 53,183,769.40-79,838,639.70-30,173,030.20

Finding the Fourth Proportional to 53,183,769.40, 79,838,639.70 and 30,173,030.20

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Solution

The fourth proportional to 53,183,769.40, 79,838,639.70 and 30,173,030.20 is: 45,295,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,183,769.40 : 79,838,639.70 = 30,173,030.20 : x
  2. Step 2: Convert to fraction form
    53,183,769.40/79,838,639.70 = 30,173,030.20/x
  3. Step 3: Cross multiply
    53,183,769.40x = 79,838,639.70 × 30,173,030.20
  4. Step 4: Simplify right side
    53,183,769.40x = 2,408,973,686,795,019
  5. Step 5: Solve for x
    x = 2,408,973,686,795,019/53,183,769.40
  6. Step 6: Final answer
    x = 45,295,279.25

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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.