Home / 63,102,215-87,081,063.18-34,128,839

Finding the Fourth Proportional to 63,102,215, 87,081,063.18 and 34,128,839

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Solution

The fourth proportional to 63,102,215, 87,081,063.18 and 34,128,839 is: 47,097,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,102,215 : 87,081,063.18 = 34,128,839 : x
  2. Step 2: Convert to fraction form
    63,102,215/87,081,063.18 = 34,128,839/x
  3. Step 3: Cross multiply
    63,102,215x = 87,081,063.18 × 34,128,839
  4. Step 4: Simplify right side
    63,102,215x = 2,971,975,585,219,048.50
  5. Step 5: Solve for x
    x = 2,971,975,585,219,048.50/63,102,215
  6. Step 6: Final answer
    x = 47,097,801.32

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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.