Home / 53,209,663.80-79,720,017.30-49,808,441.40

Finding the Fourth Proportional to 53,209,663.80, 79,720,017.30 and 49,808,441.40

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Solution

The fourth proportional to 53,209,663.80, 79,720,017.30 and 49,808,441.40 is: 74,624,222.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,209,663.80 : 79,720,017.30 = 49,808,441.40 : x
  2. Step 2: Convert to fraction form
    53,209,663.80/79,720,017.30 = 49,808,441.40/x
  3. Step 3: Cross multiply
    53,209,663.80x = 79,720,017.30 × 49,808,441.40
  4. Step 4: Simplify right side
    53,209,663.80x = 3,970,729,810,094,036
  5. Step 5: Solve for x
    x = 3,970,729,810,094,036/53,209,663.80
  6. Step 6: Final answer
    x = 74,624,222.87

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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.