Home / 43,038,072.76-64,518,886.47-16,770,826.78

Finding the Fourth Proportional to 43,038,072.76, 64,518,886.47 and 16,770,826.78

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Solution

The fourth proportional to 43,038,072.76, 64,518,886.47 and 16,770,826.78 is: 25,141,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,038,072.76 : 64,518,886.47 = 16,770,826.78 : x
  2. Step 2: Convert to fraction form
    43,038,072.76/64,518,886.47 = 16,770,826.78/x
  3. Step 3: Cross multiply
    43,038,072.76x = 64,518,886.47 × 16,770,826.78
  4. Step 4: Simplify right side
    43,038,072.76x = 1,082,035,069,026,855.62
  5. Step 5: Solve for x
    x = 1,082,035,069,026,855.62/43,038,072.76
  6. Step 6: Final answer
    x = 25,141,345.78

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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.