Home / 52,803,079.90-79,218,616.65-18,720,871.90

Finding the Fourth Proportional to 52,803,079.90, 79,218,616.65 and 18,720,871.90

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Solution

The fourth proportional to 52,803,079.90, 79,218,616.65 and 18,720,871.90 is: 28,086,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,803,079.90 : 79,218,616.65 = 18,720,871.90 : x
  2. Step 2: Convert to fraction form
    52,803,079.90/79,218,616.65 = 18,720,871.90/x
  3. Step 3: Cross multiply
    52,803,079.90x = 79,218,616.65 × 18,720,871.90
  4. Step 4: Simplify right side
    52,803,079.90x = 1,483,041,574,399,857.25
  5. Step 5: Solve for x
    x = 1,483,041,574,399,857.25/52,803,079.90
  6. Step 6: Final answer
    x = 28,086,270.29

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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.