Home / 53,688,491.55-74,091,972.92-30,482,846.91

Finding the Fourth Proportional to 53,688,491.55, 74,091,972.92 and 30,482,846.91

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Solution

The fourth proportional to 53,688,491.55, 74,091,972.92 and 30,482,846.91 is: 42,067,381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,688,491.55 : 74,091,972.92 = 30,482,846.91 : x
  2. Step 2: Convert to fraction form
    53,688,491.55/74,091,972.92 = 30,482,846.91/x
  3. Step 3: Cross multiply
    53,688,491.55x = 74,091,972.92 × 30,482,846.91
  4. Step 4: Simplify right side
    53,688,491.55x = 2,258,534,267,627,811.50
  5. Step 5: Solve for x
    x = 2,258,534,267,627,811.50/53,688,491.55
  6. Step 6: Final answer
    x = 42,067,381.71

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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.