Home / 55,518,358.88-76,478,439.57-47,231,881.49

Finding the Fourth Proportional to 55,518,358.88, 76,478,439.57 and 47,231,881.49

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Solution

The fourth proportional to 55,518,358.88, 76,478,439.57 and 47,231,881.49 is: 65,063,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,518,358.88 : 76,478,439.57 = 47,231,881.49 : x
  2. Step 2: Convert to fraction form
    55,518,358.88/76,478,439.57 = 47,231,881.49/x
  3. Step 3: Cross multiply
    55,518,358.88x = 76,478,439.57 × 47,231,881.49
  4. Step 4: Simplify right side
    55,518,358.88x = 3,612,220,593,927,974
  5. Step 5: Solve for x
    x = 3,612,220,593,927,974/55,518,358.88
  6. Step 6: Final answer
    x = 65,063,533.35

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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.