Home / 55,402,056.08-76,453,503.80-30,283,038.20

Finding the Fourth Proportional to 55,402,056.08, 76,453,503.80 and 30,283,038.20

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Solution

The fourth proportional to 55,402,056.08, 76,453,503.80 and 30,283,038.20 is: 41,789,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,402,056.08 : 76,453,503.80 = 30,283,038.20 : x
  2. Step 2: Convert to fraction form
    55,402,056.08/76,453,503.80 = 30,283,038.20/x
  3. Step 3: Cross multiply
    55,402,056.08x = 76,453,503.80 × 30,283,038.20
  4. Step 4: Simplify right side
    55,402,056.08x = 2,315,244,375,565,562.50
  5. Step 5: Solve for x
    x = 2,315,244,375,565,562.50/55,402,056.08
  6. Step 6: Final answer
    x = 41,789,863.76

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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.