Home / 53,209,663.30-79,720,016.55-49,808,440.90

Finding the Fourth Proportional to 53,209,663.30, 79,720,016.55 and 49,808,440.90

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Solution

The fourth proportional to 53,209,663.30, 79,720,016.55 and 49,808,440.90 is: 74,624,222.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,209,663.30 : 79,720,016.55 = 49,808,440.90 : x
  2. Step 2: Convert to fraction form
    53,209,663.30/79,720,016.55 = 49,808,440.90/x
  3. Step 3: Cross multiply
    53,209,663.30x = 79,720,016.55 × 49,808,440.90
  4. Step 4: Simplify right side
    53,209,663.30x = 3,970,729,732,877,696.50
  5. Step 5: Solve for x
    x = 3,970,729,732,877,696.50/53,209,663.30
  6. Step 6: Final answer
    x = 74,624,222.12

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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.