Home / 58,080,801.60-87,121,202.40-55,435,406.40

Finding the Fourth Proportional to 58,080,801.60, 87,121,202.40 and 55,435,406.40

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Solution

The fourth proportional to 58,080,801.60, 87,121,202.40 and 55,435,406.40 is: 83,153,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,080,801.60 : 87,121,202.40 = 55,435,406.40 : x
  2. Step 2: Convert to fraction form
    58,080,801.60/87,121,202.40 = 55,435,406.40/x
  3. Step 3: Cross multiply
    58,080,801.60x = 87,121,202.40 × 55,435,406.40
  4. Step 4: Simplify right side
    58,080,801.60x = 4,829,599,261,100,656
  5. Step 5: Solve for x
    x = 4,829,599,261,100,656/58,080,801.60
  6. Step 6: Final answer
    x = 83,153,109.60

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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.