Home / 84,249,745.20-126,374,617.80-41,146,599.60

Finding the Fourth Proportional to 84,249,745.20, 126,374,617.80 and 41,146,599.60

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Solution

The fourth proportional to 84,249,745.20, 126,374,617.80 and 41,146,599.60 is: 61,719,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,249,745.20 : 126,374,617.80 = 41,146,599.60 : x
  2. Step 2: Convert to fraction form
    84,249,745.20/126,374,617.80 = 41,146,599.60/x
  3. Step 3: Cross multiply
    84,249,745.20x = 126,374,617.80 × 41,146,599.60
  4. Step 4: Simplify right side
    84,249,745.20x = 5,199,885,798,219,633
  5. Step 5: Solve for x
    x = 5,199,885,798,219,633/84,249,745.20
  6. Step 6: Final answer
    x = 61,719,899.40

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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.