Home / 381,357,953.55-572,042,244.92-108,728,720.55

Finding the Fourth Proportional to 381,357,953.55, 572,042,244.92 and 108,728,720.55

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Solution

The fourth proportional to 381,357,953.55, 572,042,244.92 and 108,728,720.55 is: 163,094,596.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,357,953.55 : 572,042,244.92 = 108,728,720.55 : x
  2. Step 2: Convert to fraction form
    381,357,953.55/572,042,244.92 = 108,728,720.55/x
  3. Step 3: Cross multiply
    381,357,953.55x = 572,042,244.92 × 108,728,720.55
  4. Step 4: Simplify right side
    381,357,953.55x = 62,197,421,390,157,688
  5. Step 5: Solve for x
    x = 62,197,421,390,157,688/381,357,953.55
  6. Step 6: Final answer
    x = 163,094,596.06

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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.