Home / 55,518,489-76,478,619.24-47,232,011.52

Finding the Fourth Proportional to 55,518,489, 76,478,619.24 and 47,232,011.52

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Solution

The fourth proportional to 55,518,489, 76,478,619.24 and 47,232,011.52 is: 65,063,712.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,518,489 : 76,478,619.24 = 47,232,011.52 : x
  2. Step 2: Convert to fraction form
    55,518,489/76,478,619.24 = 47,232,011.52/x
  3. Step 3: Cross multiply
    55,518,489x = 76,478,619.24 × 47,232,011.52
  4. Step 4: Simplify right side
    55,518,489x = 3,612,239,024,977,373.50
  5. Step 5: Solve for x
    x = 3,612,239,024,977,373.50/55,518,489
  6. Step 6: Final answer
    x = 65,063,712.83

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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.