Home / 53,649,742.31-74,038,432.71-30,132,423.36

Finding the Fourth Proportional to 53,649,742.31, 74,038,432.71 and 30,132,423.36

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Solution

The fourth proportional to 53,649,742.31, 74,038,432.71 and 30,132,423.36 is: 41,583,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,649,742.31 : 74,038,432.71 = 30,132,423.36 : x
  2. Step 2: Convert to fraction form
    53,649,742.31/74,038,432.71 = 30,132,423.36/x
  3. Step 3: Cross multiply
    53,649,742.31x = 74,038,432.71 × 30,132,423.36
  4. Step 4: Simplify right side
    53,649,742.31x = 2,230,957,399,328,591.75
  5. Step 5: Solve for x
    x = 2,230,957,399,328,591.75/53,649,742.31
  6. Step 6: Final answer
    x = 41,583,748.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.