Home / 53,900,579.57-80,850,831.93-12,960,005.18

Finding the Fourth Proportional to 53,900,579.57, 80,850,831.93 and 12,960,005.18

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Solution

The fourth proportional to 53,900,579.57, 80,850,831.93 and 12,960,005.18 is: 19,439,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,900,579.57 : 80,850,831.93 = 12,960,005.18 : x
  2. Step 2: Convert to fraction form
    53,900,579.57/80,850,831.93 = 12,960,005.18/x
  3. Step 3: Cross multiply
    53,900,579.57x = 80,850,831.93 × 12,960,005.18
  4. Step 4: Simplify right side
    53,900,579.57x = 1,047,827,200,215,855.38
  5. Step 5: Solve for x
    x = 1,047,827,200,215,855.38/53,900,579.57
  6. Step 6: Final answer
    x = 19,439,998.77

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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.