Home / 53,429,113.20-80,143,669.80-36,423,001.20

Finding the Fourth Proportional to 53,429,113.20, 80,143,669.80 and 36,423,001.20

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Solution

The fourth proportional to 53,429,113.20, 80,143,669.80 and 36,423,001.20 is: 54,634,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,429,113.20 : 80,143,669.80 = 36,423,001.20 : x
  2. Step 2: Convert to fraction form
    53,429,113.20/80,143,669.80 = 36,423,001.20/x
  3. Step 3: Cross multiply
    53,429,113.20x = 80,143,669.80 × 36,423,001.20
  4. Step 4: Simplify right side
    53,429,113.20x = 2,919,072,981,297,804
  5. Step 5: Solve for x
    x = 2,919,072,981,297,804/53,429,113.20
  6. Step 6: Final answer
    x = 54,634,501.80

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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.