Home / 67,286,167.48-100,927,802.24-18,762,728.24

Finding the Fourth Proportional to 67,286,167.48, 100,927,802.24 and 18,762,728.24

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Solution

The fourth proportional to 67,286,167.48, 100,927,802.24 and 18,762,728.24 is: 28,143,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,286,167.48 : 100,927,802.24 = 18,762,728.24 : x
  2. Step 2: Convert to fraction form
    67,286,167.48/100,927,802.24 = 18,762,728.24/x
  3. Step 3: Cross multiply
    67,286,167.48x = 100,927,802.24 × 18,762,728.24
  4. Step 4: Simplify right side
    67,286,167.48x = 1,893,680,925,289,583
  5. Step 5: Solve for x
    x = 1,893,680,925,289,583/67,286,167.48
  6. Step 6: Final answer
    x = 28,143,688.31

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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.