Home / 91,740,273.40-137,610,410.10-31,155,999.40

Finding the Fourth Proportional to 91,740,273.40, 137,610,410.10 and 31,155,999.40

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Solution

The fourth proportional to 91,740,273.40, 137,610,410.10 and 31,155,999.40 is: 46,733,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,740,273.40 : 137,610,410.10 = 31,155,999.40 : x
  2. Step 2: Convert to fraction form
    91,740,273.40/137,610,410.10 = 31,155,999.40/x
  3. Step 3: Cross multiply
    91,740,273.40x = 137,610,410.10 × 31,155,999.40
  4. Step 4: Simplify right side
    91,740,273.40x = 4,287,389,854,509,353.50
  5. Step 5: Solve for x
    x = 4,287,389,854,509,353.50/91,740,273.40
  6. Step 6: Final answer
    x = 46,733,999.10

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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.