Home / 61,056,020.40-91,584,030.60-43,140,116.40

Finding the Fourth Proportional to 61,056,020.40, 91,584,030.60 and 43,140,116.40

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Solution

The fourth proportional to 61,056,020.40, 91,584,030.60 and 43,140,116.40 is: 64,710,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,056,020.40 : 91,584,030.60 = 43,140,116.40 : x
  2. Step 2: Convert to fraction form
    61,056,020.40/91,584,030.60 = 43,140,116.40/x
  3. Step 3: Cross multiply
    61,056,020.40x = 91,584,030.60 × 43,140,116.40
  4. Step 4: Simplify right side
    61,056,020.40x = 3,950,945,740,465,161.50
  5. Step 5: Solve for x
    x = 3,950,945,740,465,161.50/61,056,020.40
  6. Step 6: Final answer
    x = 64,710,174.60

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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.