Home / 55,316,601.90-76,334,909.72-30,536,256.83

Finding the Fourth Proportional to 55,316,601.90, 76,334,909.72 and 30,536,256.83

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Solution

The fourth proportional to 55,316,601.90, 76,334,909.72 and 30,536,256.83 is: 42,138,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,601.90 : 76,334,909.72 = 30,536,256.83 : x
  2. Step 2: Convert to fraction form
    55,316,601.90/76,334,909.72 = 30,536,256.83/x
  3. Step 3: Cross multiply
    55,316,601.90x = 76,334,909.72 × 30,536,256.83
  4. Step 4: Simplify right side
    55,316,601.90x = 2,330,982,407,770,427.50
  5. Step 5: Solve for x
    x = 2,330,982,407,770,427.50/55,316,601.90
  6. Step 6: Final answer
    x = 42,138,929.86

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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.