Home / 55,714,005.10-83,571,007.65-42,959,421.10

Finding the Fourth Proportional to 55,714,005.10, 83,571,007.65 and 42,959,421.10

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Solution

The fourth proportional to 55,714,005.10, 83,571,007.65 and 42,959,421.10 is: 64,439,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,714,005.10 : 83,571,007.65 = 42,959,421.10 : x
  2. Step 2: Convert to fraction form
    55,714,005.10/83,571,007.65 = 42,959,421.10/x
  3. Step 3: Cross multiply
    55,714,005.10x = 83,571,007.65 × 42,959,421.10
  4. Step 4: Simplify right side
    55,714,005.10x = 3,590,162,109,387,672
  5. Step 5: Solve for x
    x = 3,590,162,109,387,672/55,714,005.10
  6. Step 6: Final answer
    x = 64,439,131.65

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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.