Home / 55,779,419.20-83,669,128.80-55,460,554.60

Finding the Fourth Proportional to 55,779,419.20, 83,669,128.80 and 55,460,554.60

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Solution

The fourth proportional to 55,779,419.20, 83,669,128.80 and 55,460,554.60 is: 83,190,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779,419.20 : 83,669,128.80 = 55,460,554.60 : x
  2. Step 2: Convert to fraction form
    55,779,419.20/83,669,128.80 = 55,460,554.60/x
  3. Step 3: Cross multiply
    55,779,419.20x = 83,669,128.80 × 55,460,554.60
  4. Step 4: Simplify right side
    55,779,419.20x = 4,640,336,286,146,832
  5. Step 5: Solve for x
    x = 4,640,336,286,146,832/55,779,419.20
  6. Step 6: Final answer
    x = 83,190,831.90

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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.