Home / 49,526,139.60-74,289,209.40-15,447,430.80

Finding the Fourth Proportional to 49,526,139.60, 74,289,209.40 and 15,447,430.80

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Solution

The fourth proportional to 49,526,139.60, 74,289,209.40 and 15,447,430.80 is: 23,171,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,526,139.60 : 74,289,209.40 = 15,447,430.80 : x
  2. Step 2: Convert to fraction form
    49,526,139.60/74,289,209.40 = 15,447,430.80/x
  3. Step 3: Cross multiply
    49,526,139.60x = 74,289,209.40 × 15,447,430.80
  4. Step 4: Simplify right side
    49,526,139.60x = 1,147,577,421,393,209.75
  5. Step 5: Solve for x
    x = 1,147,577,421,393,209.75/49,526,139.60
  6. Step 6: Final answer
    x = 23,171,146.20

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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.