Home / 170,695,260.78-255,784,254.93-112,980,768.18

Finding the Fourth Proportional to 170,695,260.78, 255,784,254.93 and 112,980,768.18

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Solution

The fourth proportional to 170,695,260.78, 255,784,254.93 and 112,980,768.18 is: 169,299,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,695,260.78 : 255,784,254.93 = 112,980,768.18 : x
  2. Step 2: Convert to fraction form
    170,695,260.78/255,784,254.93 = 112,980,768.18/x
  3. Step 3: Cross multiply
    170,695,260.78x = 255,784,254.93 × 112,980,768.18
  4. Step 4: Simplify right side
    170,695,260.78x = 28,898,701,610,340,356
  5. Step 5: Solve for x
    x = 28,898,701,610,340,356/170,695,260.78
  6. Step 6: Final answer
    x = 169,299,964.62

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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.