Home / 53,389,873.10-73,678,604.81-31,364,300.86

Finding the Fourth Proportional to 53,389,873.10, 73,678,604.81 and 31,364,300.86

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Solution

The fourth proportional to 53,389,873.10, 73,678,604.81 and 31,364,300.86 is: 43,283,075.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,389,873.10 : 73,678,604.81 = 31,364,300.86 : x
  2. Step 2: Convert to fraction form
    53,389,873.10/73,678,604.81 = 31,364,300.86/x
  3. Step 3: Cross multiply
    53,389,873.10x = 73,678,604.81 × 31,364,300.86
  4. Step 4: Simplify right side
    53,389,873.10x = 2,310,877,927,864,865.50
  5. Step 5: Solve for x
    x = 2,310,877,927,864,865.50/53,389,873.10
  6. Step 6: Final answer
    x = 43,283,075.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.